{"id":5404,"date":"2022-11-01T13:35:59","date_gmt":"2022-11-01T12:35:59","guid":{"rendered":"https:\/\/www.beautydecoded.com\/?page_id=5404"},"modified":"2026-04-21T21:37:07","modified_gmt":"2026-04-21T19:37:07","slug":"best-serum","status":"publish","type":"page","link":"https:\/\/www.beautydecoded.com\/en\/niacinamide\/meilleur-serum\/","title":{"rendered":"The best niacinamide serums"},"content":{"rendered":"\n\n<!-- ============================================================\n     BEAUTYDECODED \u2014 Dossier Niacinamide (design align\u00e9 Vitamine C v2 \/ R\u00e9tinol v2 \/ Az\u00e9la\u00efque v2)\n     Landing pastel\/\u00e9ditoriale \u00b7 CSS autonome sous .bd-niacinamide\n     ============================================================ -->\n<style>\n  .bd-niacinamide {\n    --bd-ink: #2a2438;\n    --bd-soft: #5a5468;\n    --bd-muted: #8a849a;\n    --bd-line: rgba(42, 36, 56, 0.08);\n    --bd-line-strong: rgba(42, 36, 56, 0.15);\n    --bd-cream: #faf6ef;\n    --bd-pink: #fce4ec;\n    --bd-lavender: #eae4fc;\n    --bd-peach: #ffe8d9;\n    --bd-rose: #fde8ea;\n    --bd-blue: #a8b8f5;\n    --bd-blue-deep: #7f93e8;\n    --bd-accent: #b88ab8;\n    --bd-gold: #e0b54a;\n    --bd-success: #2d5a3d;\n    --bd-warning: #8a5a10;\n    --bd-danger: #8a3a3a;\n    --bd-serif: \"Fraunces\", \"Cormorant Garamond\", Georgia, serif;\n    --bd-sans: \"Inter\", \"Helvetica Neue\", Arial, sans-serif;\n    font-family: var(--bd-sans);\n    color: var(--bd-ink);\n    line-height: 1.7;\n    font-size: 17px;\n    -webkit-font-smoothing: antialiased;\n    max-width: 100%;\n    overflow-x: hidden;\n    background:\n      radial-gradient(ellipse 800px 600px at 10% 0%, var(--bd-lavender) 0%, transparent 55%),\n      radial-gradient(ellipse 900px 700px at 90% 20%, var(--bd-pink) 0%, transparent 55%),\n      radial-gradient(ellipse 700px 500px at 50% 60%, var(--bd-peach) 0%, transparent 60%),\n      radial-gradient(ellipse 600px 500px at 20% 90%, var(--bd-rose) 0%, transparent 55%),\n      var(--bd-cream);\n  }\n  @import url('https:\/\/fonts.googleapis.com\/css2?family=Fraunces:ital,opsz,wght@0,9..144,400;0,9..144,500;0,9..144,600;1,9..144,400;1,9..144,500&family=Inter:wght@300;400;500;600&display=swap');\n  .bd-niacinamide * { box-sizing: border-box; }\n  .bd-niacinamide p { margin: 0 0 1.2em; }\n  .bd-niacinamide h1, .bd-niacinamide h2, .bd-niacinamide h3, .bd-niacinamide h4 { margin: 0; }\n  .bd-niacinamide .bd-wrap { max-width: 1180px; margin: 0 auto; padding: 0 28px; }\n\n  .bd-niacinamide .bd-hero { padding: 70px 0 90px; }\n  .bd-niacinamide .bd-eyebrow { font-family: var(--bd-sans); font-size: 13px; font-weight: 500; color: var(--bd-accent); margin-bottom: 32px; display: inline-block; padding: 8px 20px; background: rgba(255,255,255,0.7); border-radius: 100px; backdrop-filter: blur(10px); border: 1px solid rgba(255,255,255,0.9); }\n  .bd-niacinamide .bd-hero h1 { font-family: var(--bd-serif); font-weight: 400; font-size: clamp(42px, 6.5vw, 82px); line-height: 1.05; letter-spacing: -0.025em; margin-bottom: 28px; max-width: 18ch; color: var(--bd-ink) !important; }\n  .bd-niacinamide .bd-hero h1 em { font-style: italic; color: var(--bd-accent) !important; font-weight: 400; }\n  .bd-niacinamide .bd-hero-sub { font-size: 19px; line-height: 1.55; max-width: 58ch; color: var(--bd-soft); margin-bottom: 36px; }\n  .bd-niacinamide .bd-hero-meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 42px; max-width: 820px; }\n  .bd-niacinamide .bd-hero-meta-item { padding: 18px 22px; background: rgba(255,255,255,0.55); border: 1px solid rgba(255,255,255,0.9); border-radius: 16px; backdrop-filter: blur(20px); }\n  .bd-niacinamide .bd-hero-meta-item span { display: block; font-family: var(--bd-sans); font-size: 11px; font-weight: 500; color: var(--bd-muted); letter-spacing: 0.08em; text-transform: uppercase; margin-bottom: 4px; }\n  .bd-niacinamide .bd-hero-meta-item strong { display: block; font-family: var(--bd-serif); font-size: 18px; font-weight: 500; color: var(--bd-ink); line-height: 1.25; letter-spacing: -0.01em; }\n  .bd-niacinamide .bd-hero-video { margin-top: 48px; display: flex; justify-content: center; }\n  .bd-niacinamide .bd-hero-video-frame { width: 100%; max-width: 380px; border-radius: 32px; overflow: hidden; border: 5px solid rgba(255,255,255,0.9); box-shadow: 0 30px 80px rgba(42,36,56,0.18); background: var(--bd-ink); }\n  .bd-niacinamide .bd-hero-video-frame video { width: 100%; display: block; }\n  .bd-niacinamide .bd-cta { display: inline-flex; align-items: center; justify-content: center; gap: 12px; padding: 22px 44px; background: linear-gradient(135deg, var(--bd-blue) 0%, var(--bd-blue-deep) 100%); color: #ffffff; text-decoration: none; font-family: var(--bd-sans); font-weight: 600; font-size: 16px; letter-spacing: 0.01em; border-radius: 100px; transition: all 0.25s ease; box-shadow: 0 10px 30px rgba(127,147,232,0.35); border: none; min-width: 280px; }\n  .bd-niacinamide .bd-cta:hover { transform: translateY(-3px); box-shadow: 0 15px 40px rgba(127,147,232,0.5); }\n  .bd-niacinamide .bd-cta-wrap { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; }\n  .bd-niacinamide .bd-cta-meta { font-family: var(--bd-sans); font-size: 14px; color: var(--bd-muted); }\n  .bd-niacinamide .bd-cta-meta span { color: var(--bd-ink); font-weight: 600; }\n\n  .bd-niacinamide .bd-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; padding: 0 28px; max-width: 1180px; margin: 0 auto; }\n  .bd-niacinamide .bd-stat { padding: 36px 28px; text-align: center; background: rgba(255,255,255,0.55); border: 1px solid rgba(255,255,255,0.9); border-radius: 28px; backdrop-filter: blur(20px); }\n  .bd-niacinamide .bd-stat-num { font-family: var(--bd-serif); font-size: clamp(36px, 5vw, 54px); font-weight: 500; color: var(--bd-ink); line-height: 1; margin-bottom: 10px; font-style: italic; }\n  .bd-niacinamide .bd-stat-label { font-family: var(--bd-sans); font-size: 13px; font-weight: 500; color: var(--bd-soft); }\n\n  .bd-niacinamide .bd-section { padding: 90px 0; }\n  .bd-niacinamide .bd-section-label { font-family: var(--bd-sans); font-size: 13px; font-weight: 500; color: var(--bd-accent); margin-bottom: 20px; display: inline-block; padding: 7px 18px; background: rgba(255,255,255,0.6); border-radius: 100px; border: 1px solid rgba(255,255,255,0.8); }\n  .bd-niacinamide .bd-section h2 { font-family: var(--bd-serif); font-weight: 400; font-size: clamp(34px, 4.5vw, 56px); line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 24px; max-width: 24ch; color: var(--bd-ink) !important; }\n  .bd-niacinamide .bd-section h2 em { font-style: italic; color: var(--bd-accent) !important; }\n  .bd-niacinamide .bd-section h3 { font-family: var(--bd-serif); font-weight: 500; font-size: 26px; line-height: 1.2; color: var(--bd-ink); letter-spacing: -0.01em; margin: 40px 0 16px; }\n  .bd-niacinamide .bd-section h3 em { font-style: italic; color: var(--bd-accent); }\n  .bd-niacinamide .bd-lead { font-size: 20px; line-height: 1.55; max-width: 62ch; color: var(--bd-soft); margin-bottom: 20px; }\n  .bd-niacinamide .bd-section p { font-size: 16.5px; line-height: 1.7; color: var(--bd-soft); max-width: 68ch; }\n  .bd-niacinamide .bd-section p strong { color: var(--bd-ink); font-weight: 600; }\n  .bd-niacinamide .bd-section p em { font-style: italic; }\n\n  .bd-niacinamide .bd-dark { background: linear-gradient(135deg, #2a2438 0%, #3d3450 50%, #524466 100%); color: #faf6ef; padding: 100px 0; margin: 40px 28px; border-radius: 48px; position: relative; overflow: hidden; }\n  .bd-niacinamide .bd-dark::before { content: \"\"; position: absolute; top: -30%; right: -10%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(184,138,184,0.2) 0%, transparent 70%); pointer-events: none; }\n  .bd-niacinamide .bd-dark::after { content: \"\"; position: absolute; bottom: -20%; left: -10%; width: 500px; height: 500px; background: radial-gradient(circle, rgba(168,184,245,0.15) 0%, transparent 70%); pointer-events: none; }\n  .bd-niacinamide .bd-dark .bd-wrap { position: relative; z-index: 1; }\n  .bd-niacinamide .bd-dark .bd-section-label { background: rgba(255,255,255,0.1); color: #e8bde8; border-color: rgba(255,255,255,0.15); }\n  .bd-niacinamide .bd-dark h2 { color: #faf6ef !important; }\n  .bd-niacinamide .bd-dark h2 em { color: #e8bde8 !important; }\n  .bd-niacinamide .bd-dark p { color: rgba(250,246,239,0.85); }\n  .bd-niacinamide .bd-dark p strong { color: #faf6ef; }\n  .bd-niacinamide .bd-mecha-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; margin-top: 50px; }\n  .bd-niacinamide .bd-mecha { padding: 30px 28px; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.08); border-radius: 24px; }\n  .bd-niacinamide .bd-mecha-num { font-family: var(--bd-serif); font-style: italic; font-size: 28px; font-weight: 500; color: #e8bde8; line-height: 1; margin-bottom: 16px; }\n  .bd-niacinamide .bd-mecha h4 { font-family: var(--bd-serif); font-weight: 500; font-size: 20px; line-height: 1.25; color: #faf6ef; margin-bottom: 10px; letter-spacing: -0.01em; }\n  .bd-niacinamide .bd-mecha p { font-size: 14.5px; line-height: 1.6; color: rgba(250,246,239,0.8); margin: 0; }\n  .bd-niacinamide .bd-dark-quote { margin-top: 50px; padding: 28px 32px; background: rgba(255,255,255,0.08); border-left: 3px solid #e8bde8; border-radius: 16px; max-width: 760px; }\n  .bd-niacinamide .bd-dark-quote strong { display: block; font-family: var(--bd-sans); font-size: 12px; color: #e8bde8; letter-spacing: 0.04em; text-transform: uppercase; margin-bottom: 10px; font-weight: 600; }\n  .bd-niacinamide .bd-dark-quote p { font-family: var(--bd-serif); font-style: italic; font-size: 19px; line-height: 1.55; color: rgba(250,246,239,0.92); margin: 0; }\n\n  .bd-niacinamide .bd-inci-table { width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; margin: 40px 0 20px; border-radius: 24px; background: rgba(255,255,255,0.55); border: 1px solid rgba(255,255,255,0.9); backdrop-filter: blur(20px); }\n  .bd-niacinamide .bd-inci-table table { width: 100%; min-width: 680px; border-collapse: collapse; font-family: var(--bd-sans); font-size: 14.5px; }\n  .bd-niacinamide .bd-inci-table th { background: rgba(42,36,56,0.04); color: var(--bd-ink); font-weight: 600; text-align: left; padding: 18px 22px; border-bottom: 1px solid rgba(42,36,56,0.08); font-size: 12px; letter-spacing: 0.06em; text-transform: uppercase; }\n  .bd-niacinamide .bd-inci-table td { padding: 16px 22px; border-bottom: 1px solid rgba(42,36,56,0.06); color: var(--bd-soft); line-height: 1.55; vertical-align: top; }\n  .bd-niacinamide .bd-inci-table tr:last-child td { border-bottom: none; }\n  .bd-niacinamide .bd-inci-table tr:nth-child(even) td { background: rgba(252,228,236,0.15); }\n  .bd-niacinamide .bd-inci-table td strong { color: var(--bd-ink); font-family: var(--bd-serif); font-weight: 500; font-size: 15.5px; }\n\n  .bd-niacinamide .bd-alert { margin: 32px 0; padding: 22px 28px; border-radius: 20px; font-family: var(--bd-sans); font-size: 15.5px; line-height: 1.6; display: flex; gap: 16px; align-items: flex-start; border: 1px solid rgba(255,255,255,0.8); max-width: 820px; }\n  .bd-niacinamide .bd-alert-icon { flex-shrink: 0; font-size: 22px; line-height: 1; margin-top: 2px; }\n  .bd-niacinamide .bd-alert-danger { background: linear-gradient(135deg, rgba(253,232,234,0.7), rgba(255,240,240,0.55)); color: var(--bd-danger); }\n  .bd-niacinamide .bd-alert-danger strong { color: #7a2a2a; }\n  .bd-niacinamide .bd-alert-info { background: linear-gradient(135deg, rgba(228,238,248,0.7), rgba(255,255,255,0.55)); color: #3a4a6a; }\n  .bd-niacinamide .bd-alert-info strong { color: #2a3a5a; }\n  .bd-niacinamide .bd-alert-success { background: linear-gradient(135deg, rgba(184,224,200,0.5), rgba(255,255,255,0.55)); color: var(--bd-success); }\n  .bd-niacinamide .bd-alert-success strong { color: #1d4a2d; }\n\n  .bd-niacinamide .bd-quickview { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 16px; margin-top: 50px; }\n  .bd-niacinamide .bd-quickview-card { padding: 28px 26px; background: rgba(255,255,255,0.6); border: 1px solid rgba(255,255,255,0.9); border-radius: 24px; backdrop-filter: blur(20px); transition: transform 0.25s ease, box-shadow 0.25s ease; }\n  .bd-niacinamide .bd-quickview-card:hover { transform: translateY(-3px); box-shadow: 0 15px 40px rgba(42,36,56,0.08); }\n  .bd-niacinamide .bd-quickview-form { font-family: var(--bd-sans); font-size: 11px; font-weight: 500; color: var(--bd-accent); display: inline-block; padding: 5px 12px; background: rgba(184,138,184,0.12); border-radius: 100px; margin-bottom: 12px; letter-spacing: 0.04em; text-transform: uppercase; }\n  .bd-niacinamide .bd-quickview-card h4 { font-family: var(--bd-serif); font-size: 20px; font-weight: 500; line-height: 1.25; margin-bottom: 6px; color: var(--bd-ink); letter-spacing: -0.01em; }\n  .bd-niacinamide .bd-quickview-brand { font-family: var(--bd-serif); font-style: italic; color: var(--bd-muted); font-size: 15px; display: block; margin-bottom: 10px; }\n  .bd-niacinamide .bd-quickview-card p { font-size: 13.5px; color: var(--bd-soft); line-height: 1.55; margin: 0; }\n  .bd-niacinamide .bd-quickview-conc { display: inline-block; margin-top: 8px; font-family: var(--bd-sans); font-size: 12px; font-weight: 600; color: var(--bd-ink); padding: 4px 10px; background: rgba(255,255,255,0.7); border-radius: 100px; border: 1px solid rgba(42,36,56,0.08); }\n\n  .bd-niacinamide .bd-phase { margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--bd-line); }\n  .bd-niacinamide .bd-phase-header { display: flex; align-items: baseline; gap: 24px; margin-bottom: 16px; flex-wrap: wrap; }\n  .bd-niacinamide .bd-phase-num { font-family: var(--bd-sans); font-size: 13px; font-weight: 500; color: var(--bd-accent); padding: 7px 18px; background: rgba(184,138,184,0.12); border-radius: 100px; letter-spacing: 0.02em; }\n  .bd-niacinamide .bd-phase-title { font-family: var(--bd-serif); font-size: clamp(28px, 3.5vw, 38px); font-weight: 500; line-height: 1.15; color: var(--bd-ink); letter-spacing: -0.01em; }\n  .bd-niacinamide .bd-phase-title em { font-style: italic; color: var(--bd-accent); }\n  .bd-niacinamide .bd-phase-sub { font-size: 16px; color: var(--bd-soft); line-height: 1.6; max-width: 62ch; margin: 0 0 32px; }\n  .bd-niacinamide .bd-phase-intro { padding: 26px 30px; background: rgba(255,255,255,0.55); border: 1px solid rgba(255,255,255,0.9); border-radius: 24px; backdrop-filter: blur(20px); margin-bottom: 32px; max-width: 820px; }\n  .bd-niacinamide .bd-phase-intro p { font-size: 15.5px; line-height: 1.7; margin: 0; color: var(--bd-soft); }\n  .bd-niacinamide .bd-phase-intro p strong { color: var(--bd-ink); }\n  .bd-niacinamide .bd-phase-intro p em { font-style: italic; }\n\n  .bd-niacinamide .bd-product { padding: 40px 44px; background: rgba(255,255,255,0.6); border: 1px solid rgba(255,255,255,0.95); border-radius: 32px; backdrop-filter: blur(20px); margin-bottom: 24px; transition: transform 0.25s ease, box-shadow 0.25s ease; box-shadow: 0 10px 40px rgba(42,36,56,0.04); }\n  .bd-niacinamide .bd-product:hover { transform: translateY(-4px); box-shadow: 0 30px 70px rgba(42,36,56,0.1); }\n  .bd-niacinamide .bd-product-top { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: start; margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid rgba(42,36,56,0.08); }\n  .bd-niacinamide .bd-product-brand { font-family: var(--bd-serif); font-style: italic; color: var(--bd-muted); font-size: 17px; display: block; margin-bottom: 4px; letter-spacing: 0.01em; }\n  .bd-niacinamide .bd-product h3 { font-family: var(--bd-serif) !important; font-size: 28px; font-weight: 500; line-height: 1.15; color: var(--bd-ink); margin: 0 0 10px !important; letter-spacing: -0.01em; }\n  .bd-niacinamide .bd-rating { display: inline-flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 6px; }\n  .bd-niacinamide .bd-stars { color: var(--bd-gold); font-size: 15px; letter-spacing: 2px; }\n  .bd-niacinamide .bd-score { font-family: var(--bd-serif); font-size: 17px; font-weight: 500; font-style: italic; color: var(--bd-ink); }\n  .bd-niacinamide .bd-count { font-family: var(--bd-sans); font-size: 12.5px; color: var(--bd-muted); }\n  .bd-niacinamide .bd-product-badge { font-family: var(--bd-sans); font-size: 11px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; padding: 9px 18px; border-radius: 100px; white-space: nowrap; align-self: start; border: 1px solid rgba(255,255,255,0.9); }\n  .bd-niacinamide .bd-badge-gold { background: linear-gradient(135deg, rgba(255,243,214,0.95), rgba(255,232,217,0.8)); color: var(--bd-warning); }\n  .bd-niacinamide .bd-badge-silver { background: linear-gradient(135deg, rgba(228,238,248,0.95), rgba(234,228,252,0.8)); color: #4a5a7a; }\n  .bd-niacinamide .bd-badge-bronze { background: linear-gradient(135deg, rgba(255,232,217,0.95), rgba(253,232,234,0.8)); color: #7a4520; }\n  .bd-niacinamide .bd-badge-blue { background: linear-gradient(135deg, rgba(216,232,248,0.95), rgba(228,238,248,0.8)); color: #2a4a70; }\n  .bd-niacinamide .bd-badge-neutral { background: linear-gradient(135deg, rgba(250,246,239,0.95), rgba(245,240,235,0.8)); color: var(--bd-soft); }\n  .bd-niacinamide .bd-inci { display: block; font-family: \"SF Mono\", \"Monaco\", \"Courier New\", monospace; font-size: 12.5px; line-height: 1.65; color: var(--bd-soft); background: rgba(42,36,56,0.04); padding: 16px 20px; border-radius: 14px; margin: 18px 0; word-break: break-word; letter-spacing: 0.02em; border-left: 3px solid var(--bd-accent); }\n  .bd-niacinamide .bd-inci strong { color: var(--bd-accent); font-weight: 600; font-family: var(--bd-sans); }\n  .bd-niacinamide .bd-product p { font-family: var(--bd-sans); font-size: 15.5px; line-height: 1.7; color: var(--bd-soft); margin: 0 0 14px; max-width: 72ch; }\n  .bd-niacinamide .bd-product p strong { color: var(--bd-ink); font-weight: 600; }\n  .bd-niacinamide .bd-product p em { font-style: italic; }\n  .bd-niacinamide .bd-sv { padding: 18px 24px; border-radius: 18px; margin: 22px 0; font-size: 15px; line-height: 1.55; border: 1px solid rgba(255,255,255,0.8); }\n  .bd-niacinamide .bd-sv strong { display: block; font-weight: 600; margin-bottom: 4px; font-family: var(--bd-sans); }\n  .bd-niacinamide .bd-sv-ok { background: linear-gradient(135deg, rgba(184,224,200,0.4), rgba(255,255,255,0.55)); color: var(--bd-success); }\n  .bd-niacinamide .bd-sv-caution { background: linear-gradient(135deg, rgba(255,243,214,0.6), rgba(255,255,255,0.55)); color: var(--bd-warning); }\n  .bd-niacinamide .bd-sv-poor { background: linear-gradient(135deg, rgba(253,232,234,0.6), rgba(255,240,240,0.55)); color: var(--bd-danger); }\n  .bd-niacinamide .bd-quotes-label { font-family: var(--bd-sans); font-size: 12px; font-weight: 600; color: var(--bd-muted); letter-spacing: 0.08em; text-transform: uppercase; margin: 24px 0 14px; }\n  .bd-niacinamide .bd-quotes { margin: 0 0 24px; }\n  .bd-niacinamide .bd-quote { font-family: var(--bd-serif); font-style: italic; font-size: 15.5px; line-height: 1.6; color: var(--bd-soft); padding: 14px 0 14px 22px; border-left: 2px solid rgba(184,138,184,0.4); margin: 14px 0; }\n  .bd-niacinamide .bd-verdict { margin-top: 26px; padding: 22px 26px; background: linear-gradient(135deg, #2a2438 0%, #3d3450 100%); color: #faf6ef; border-radius: 18px; font-family: var(--bd-sans); font-size: 15px; line-height: 1.65; position: relative; overflow: hidden; }\n  .bd-niacinamide .bd-verdict::before { content: \"\"; position: absolute; top: 0; right: 0; width: 200px; height: 100%; background: radial-gradient(circle at right, rgba(184,138,184,0.15) 0%, transparent 70%); pointer-events: none; }\n  .bd-niacinamide .bd-verdict strong { color: #f0cff0; font-weight: 600; }\n\n  .bd-niacinamide .bd-assoc-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }\n  .bd-niacinamide .bd-assoc { padding: 24px 28px; background: rgba(255,255,255,0.55); border-radius: 20px; border: 1px solid rgba(255,255,255,0.9); border-left: 4px solid #b8e0c8; backdrop-filter: blur(20px); transition: transform 0.2s ease; }\n  .bd-niacinamide .bd-assoc:hover { transform: translateX(4px); }\n  .bd-niacinamide .bd-assoc.bd-assoc-bad { border-left-color: #e8a0a0; background: linear-gradient(135deg, rgba(253,232,234,0.4), rgba(255,255,255,0.55)); }\n  .bd-niacinamide .bd-assoc strong { font-family: var(--bd-serif); font-weight: 500; font-size: 18px; color: var(--bd-ink); display: block; margin-bottom: 8px; letter-spacing: -0.01em; }\n  .bd-niacinamide .bd-assoc p { margin: 0; font-size: 14.5px; line-height: 1.6; color: var(--bd-soft); }\n\n  .bd-niacinamide .bd-faq-list { max-width: 820px; margin: 50px auto 0; }\n  .bd-niacinamide .bd-faq-item { background: rgba(255,255,255,0.55); border: 1px solid rgba(255,255,255,0.9); border-radius: 20px; backdrop-filter: blur(20px); margin-bottom: 12px; overflow: hidden; transition: background 0.2s ease; }\n  .bd-niacinamide .bd-faq-item[open] { background: rgba(255,255,255,0.75); }\n  .bd-niacinamide .bd-faq-item summary { padding: 22px 28px; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px; font-family: var(--bd-serif); font-size: 20px; font-weight: 500; line-height: 1.3; transition: color 0.2s ease; color: var(--bd-ink); letter-spacing: -0.01em; }\n  .bd-niacinamide .bd-faq-item summary::-webkit-details-marker { display: none; }\n  .bd-niacinamide .bd-faq-item summary:hover { color: var(--bd-accent); }\n  .bd-niacinamide .bd-faq-item summary::after { content: \"+\"; font-family: var(--bd-sans); font-size: 24px; font-weight: 300; color: var(--bd-accent); transition: transform 0.25s ease; flex-shrink: 0; width: 32px; height: 32px; display: flex; align-items: center; justify-content: center; background: rgba(184,138,184,0.12); border-radius: 50%; }\n  .bd-niacinamide .bd-faq-item[open] summary::after { transform: rotate(45deg); }\n  .bd-niacinamide .bd-faq-answer { padding: 0 28px 26px; font-size: 16px; line-height: 1.7; color: var(--bd-soft); max-width: 72ch; }\n  .bd-niacinamide .bd-faq-answer strong { color: var(--bd-ink); font-weight: 600; }\n\n  .bd-niacinamide .bd-author { background: linear-gradient(135deg, #2a2438 0%, #3d3450 50%, #524466 100%); color: #faf6ef; padding: 100px 0; margin: 40px 28px; border-radius: 48px; text-align: center; position: relative; overflow: hidden; }\n  .bd-niacinamide .bd-author::before { content: \"\"; position: absolute; top: -30%; left: 50%; transform: translateX(-50%); width: 700px; height: 500px; background: radial-gradient(ellipse, rgba(184,138,184,0.2) 0%, transparent 70%); pointer-events: none; }\n  .bd-niacinamide .bd-author .bd-wrap { position: relative; z-index: 1; }\n  .bd-niacinamide .bd-author .bd-section-label { background: rgba(255,255,255,0.1); color: #e8bde8; border-color: rgba(255,255,255,0.15); }\n  .bd-niacinamide .bd-author h2 { color: #faf6ef !important; margin: 0 auto 30px; max-width: 24ch; }\n  .bd-niacinamide .bd-author h2 em { color: #e8bde8 !important; }\n  .bd-niacinamide .bd-author-meta { display: flex; justify-content: center; gap: 48px; margin: 40px 0; flex-wrap: wrap; }\n  .bd-niacinamide .bd-author-meta div { font-family: var(--bd-sans); font-size: 13px; color: rgba(250,246,239,0.7); }\n  .bd-niacinamide .bd-author-meta strong { display: block; font-family: var(--bd-serif); font-style: italic; font-size: 32px; color: #faf6ef; letter-spacing: -0.01em; font-weight: 500; margin-bottom: 6px; }\n  .bd-niacinamide .bd-author-quote { font-family: var(--bd-serif); font-style: italic; font-size: 22px; line-height: 1.55; max-width: 54ch; margin: 30px auto 0; color: rgba(250,246,239,0.9); }\n\n  .bd-niacinamide .bd-final { padding: 100px 0; text-align: center; }\n  .bd-niacinamide .bd-final-inner { background: linear-gradient(135deg, rgba(252,228,236,0.8), rgba(234,228,252,0.7), rgba(255,232,217,0.6)); padding: 90px 40px; border-radius: 48px; border: 1px solid rgba(255,255,255,0.9); backdrop-filter: blur(20px); max-width: 900px; margin: 0 auto; box-shadow: 0 30px 80px rgba(42,36,56,0.08); }\n  .bd-niacinamide .bd-final h2 { font-family: var(--bd-serif); font-size: clamp(38px, 5.5vw, 64px); font-weight: 400; line-height: 1.08; letter-spacing: -0.02em; max-width: 22ch; margin: 0 auto 28px; color: var(--bd-ink) !important; }\n  .bd-niacinamide .bd-final h2 em { font-style: italic; color: var(--bd-accent) !important; }\n  .bd-niacinamide .bd-final p { font-size: 19px; color: var(--bd-soft); max-width: 56ch; margin: 0 auto 36px; line-height: 1.6; }\n\n  .bd-niacinamide .bd-sig { text-align: center; padding: 60px 28px 20px; max-width: 720px; margin: 0 auto; }\n  .bd-niacinamide .bd-sig strong { display: block; font-family: var(--bd-serif); font-style: italic; font-size: 22px; color: var(--bd-ink); margin-bottom: 6px; letter-spacing: -0.01em; font-weight: 500; }\n  .bd-niacinamide .bd-sig span { font-family: var(--bd-sans); font-size: 13px; color: var(--bd-muted); display: block; }\n  .bd-niacinamide .bd-disclaimer { padding: 30px 28px 60px; }\n  .bd-niacinamide .bd-disclaimer p { font-family: var(--bd-sans); font-size: 12.5px; line-height: 1.65; color: var(--bd-muted); max-width: 780px; margin: 0 auto; text-align: center; }\n\n  .bd-niacinamide .bd-videos { padding: 70px 0 40px; }\n  .bd-niacinamide .bd-videos-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 20px; margin-top: 40px; }\n  .bd-niacinamide .bd-video-embed { position: relative; aspect-ratio: 16 \/ 9; background: var(--bd-ink); border-radius: 24px; overflow: hidden; border: 3px solid rgba(255,255,255,0.9); box-shadow: 0 20px 50px rgba(42,36,56,0.12); }\n  .bd-niacinamide .bd-video-embed iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: none; display: block; }\n\n  @media (max-width: 900px) {\n    .bd-niacinamide .bd-section { padding: 70px 0; }\n    .bd-niacinamide .bd-hero { padding: 50px 0 70px; }\n    .bd-niacinamide .bd-mecha-grid { grid-template-columns: 1fr; }\n    .bd-niacinamide .bd-assoc-grid { grid-template-columns: 1fr; }\n    .bd-niacinamide .bd-author-meta { gap: 28px; }\n    .bd-niacinamide .bd-dark, .bd-niacinamide .bd-author { margin: 20px 14px; padding: 70px 0; border-radius: 32px; }\n    .bd-niacinamide .bd-final-inner { padding: 60px 28px; border-radius: 32px; }\n    .bd-niacinamide .bd-product { padding: 32px 28px; }\n    .bd-niacinamide .bd-product-top { grid-template-columns: 1fr; gap: 14px; }\n    .bd-niacinamide .bd-product-badge { align-self: start; }\n  }\n  @media (max-width: 600px) {\n    .bd-niacinamide .bd-stats { grid-template-columns: 1fr; }\n    .bd-niacinamide .bd-wrap { padding: 0 20px; }\n    .bd-niacinamide .bd-stats { padding: 0 20px; }\n    .bd-niacinamide .bd-hero-meta { grid-template-columns: 1fr 1fr; }\n  }\n<\/style>\n\n<div class=\"bd-niacinamide\">\n\n  <!-- ============ HERO ============ -->\n  <section class=\"bd-hero\">\n    <div class=\"bd-wrap\">\n      <div style=\"height: 20px;\"><\/div>\n      <div class=\"bd-eyebrow\">Dossier \u00b7 Actifs cosm\u00e9tiques<\/div>\n      <h1>Niacinamide : le <em>dossier complet<\/em> des 14 s\u00e9rums du march\u00e9.<\/h1>\n      <p class=\"bd-hero-sub\">L&rsquo;actif le plus polyvalent de la cosm\u00e9tique \u2014 s\u00e9bum, taches, barri\u00e8re, rougeurs, anti-\u00e2ge. Un actif de routine, pas un actif de traitement. Quatorze s\u00e9rums analys\u00e9s, quatre axes d&rsquo;action, 265 avis compil\u00e9s.<\/p>\n\n      <div class=\"bd-hero-meta\">\n        <div class=\"bd-hero-meta-item\">\n          <span>Auteur<\/span>\n          <strong>Dr Sylvain David<\/strong>\n        <\/div>\n        <div class=\"bd-hero-meta-item\">\n          <span>Expertise<\/span>\n          <strong>Analyse cosm\u00e9tique ind\u00e9pendante<\/strong>\n        <\/div>\n        <div class=\"bd-hero-meta-item\">\n          <span>S\u00e9rums analys\u00e9s<\/span>\n          <strong>14 r\u00e9f\u00e9rences \u00b7 4 axes<\/strong>\n        <\/div>\n        <div class=\"bd-hero-meta-item\">\n          <span>Avis compil\u00e9s<\/span>\n          <strong>265 retours BeautyDecoded<\/strong>\n        <\/div>\n      <\/div>\n\n      <div class=\"bd-cta-wrap\">\n        <a href=\"https:\/\/beautydecoded.go.link\/88eZ2\" class=\"bd-cta\" target=\"_blank\" rel=\"noopener\">Analyser mon s\u00e9rum dans l&rsquo;app<\/a>\n        <div class=\"bd-cta-meta\"><span>Note sur 100<\/span> \u00b7 Personnalis\u00e9e selon votre peau<\/div>\n      <\/div>\n\n      <div class=\"bd-hero-video\">\n        <div class=\"bd-hero-video-frame\">\n          <video autoplay loop muted playsinline controls>\n            <source src=\"https:\/\/www.beautydecoded.com\/wp-content\/uploads\/2026\/03\/niacinamide-taches-3.mp4\" type=\"video\/mp4\">\n          <\/video>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- ============ STATS ============ -->\n  <section class=\"bd-stats\">\n    <div class=\"bd-stat\">\n      <div class=\"bd-stat-num\">14<\/div>\n      <div class=\"bd-stat-label\">S\u00e9rums analys\u00e9s en profondeur<\/div>\n    <\/div>\n    <div class=\"bd-stat\">\n      <div class=\"bd-stat-num\">4<\/div>\n      <div class=\"bd-stat-label\">Axes d&rsquo;action distincts<\/div>\n    <\/div>\n    <div class=\"bd-stat\">\n      <div class=\"bd-stat-num\">265<\/div>\n      <div class=\"bd-stat-label\">Avis utilisateurs compil\u00e9s<\/div>\n    <\/div>\n  <\/section>\n\n  <!-- ============ DARK : MECANISMES D'ACTION ============ -->\n  <section class=\"bd-dark\">\n    <div class=\"bd-wrap\">\n      <div class=\"bd-section-label\">M\u00e9canismes d&rsquo;action<\/div>\n      <h2>Ce que dit <em>la litt\u00e9rature<\/em>.<\/h2>\n      <p class=\"bd-lead\" style=\"color: rgba(250, 246, 239, 0.85); max-width: 68ch;\">Le niacinamide est la forme amide de la vitamine B3. Il intervient dans de nombreuses voies m\u00e9taboliques cutan\u00e9es \u2014 c&rsquo;est pr\u00e9cis\u00e9ment ce qui en fait l&rsquo;actif le plus polyvalent du skincare moderne.<\/p>\n\n      <div class=\"bd-mecha-grid\">\n        <div class=\"bd-mecha\">\n          <div class=\"bd-mecha-num\">01<\/div>\n          <h4>R\u00e9gulation du s\u00e9bum<\/h4>\n          <p>Inhibition document\u00e9e de la s\u00e9cr\u00e9tion s\u00e9bac\u00e9e. Effet matifiant visible apr\u00e8s 4 \u00e0 8 semaines \u00e0 des concentrations de 2\u20135 %.<\/p>\n        <\/div>\n        <div class=\"bd-mecha\">\n          <div class=\"bd-mecha-num\">02<\/div>\n          <h4>Correction pigmentaire<\/h4>\n          <p>Inhibition du transfert des m\u00e9lanosomes des m\u00e9lanocytes aux k\u00e9ratinocytes \u2014 voie distincte de celle de la tyrosinase. Compl\u00e9mentaire de la vitamine C et de l&rsquo;acide az\u00e9la\u00efque.<\/p>\n        <\/div>\n        <div class=\"bd-mecha\">\n          <div class=\"bd-mecha-num\">03<\/div>\n          <h4>Renforcement de la barri\u00e8re<\/h4>\n          <p>Stimulation de la synth\u00e8se de c\u00e9ramides, acides gras libres et cholest\u00e9rol \u2014 les trois composants lipidiques majeurs de la couche corn\u00e9e.<\/p>\n        <\/div>\n        <div class=\"bd-mecha\">\n          <div class=\"bd-mecha-num\">04<\/div>\n          <h4>Action anti-inflammatoire<\/h4>\n          <p>R\u00e9duction des cytokines pro-inflammatoires. Int\u00e9r\u00eat document\u00e9 sur les rougeurs et la rosac\u00e9e l\u00e9g\u00e8re.<\/p>\n        <\/div>\n      <\/div>\n\n      <div class=\"bd-dark-quote\">\n        <strong>Note du Dr Sylvain David<\/strong>\n        <p>\u00ab Le niacinamide est l&rsquo;actif que j&rsquo;int\u00e8gre syst\u00e9matiquement dans les routines pour les peaux mixtes \u00e0 grasses et les peaux sensibles. Sa polyvalence et son excellente tol\u00e9rance en font un actif de fond id\u00e9al \u2014 \u00e0 associer avec d&rsquo;autres actifs cibl\u00e9s selon les probl\u00e9matiques. \u00bb<\/p>\n      <\/div>\n\n      <p style=\"margin-top: 32px; font-size: 15px; color: rgba(250, 246, 239, 0.75); max-width: 68ch;\">Sa tol\u00e9rance est excellente pour la quasi-totalit\u00e9 des profils cutan\u00e9s, ce qui en fait un <strong>actif de routine, et non un actif de traitement<\/strong>.<\/p>\n    <\/div>\n  <\/section>\n\n  <!-- ============ CONCENTRATIONS ============ -->\n  <section class=\"bd-section\">\n    <div class=\"bd-wrap\">\n      <div class=\"bd-section-label\">Guide de lecture<\/div>\n      <h2>Quelle dose pour <em>quel objectif<\/em> ?<\/h2>\n      <p class=\"bd-lead\">La concentration en niacinamide conditionne l&rsquo;effet recherch\u00e9. Contrairement \u00e0 d&rsquo;autres actifs, il n&rsquo;y a pas de b\u00e9n\u00e9fice \u00e0 d\u00e9passer 10 % \u2014 au contraire, le risque d&rsquo;irritation augmente.<\/p>\n\n      <div class=\"bd-inci-table\">\n        <table>\n          <thead>\n            <tr><th>Concentration<\/th><th>Effets document\u00e9s<\/th><th>Profil id\u00e9al<\/th><\/tr>\n          <\/thead>\n          <tbody>\n            <tr><td><strong>2 \u2013 5 %<\/strong><\/td><td>Hydratation, renforcement barri\u00e8re, anti-rougeurs l\u00e9ger<\/td><td>Peaux sensibles, d\u00e9butants, routine de fond<\/td><\/tr>\n            <tr><td><strong>5 \u2013 10 %<\/strong><\/td><td>+ R\u00e9gulation s\u00e9bum, correction pigmentaire, r\u00e9duction pores<\/td><td>Peaux mixtes \u00e0 grasses, imperfections<\/td><\/tr>\n            <tr><td><strong>10 %<\/strong><\/td><td>Effets maximaux \u2014 anti-taches, s\u00e9bor\u00e9gulateur, anti-imperfections<\/td><td>Profils ciblant plusieurs objectifs simultan\u00e9ment<\/td><\/tr>\n            <tr><td><strong>&gt; 10 %<\/strong><\/td><td>Risque accru de rougeurs transitoires (flush), pas de b\u00e9n\u00e9fice additionnel<\/td><td>Non recommand\u00e9 en usage quotidien<\/td><\/tr>\n          <\/tbody>\n        <\/table>\n      <\/div>\n\n      <div class=\"bd-alert bd-alert-success\">\n        <span class=\"bd-alert-icon\">\u2705<\/span>\n        <div><strong>Tol\u00e9rance exceptionnelle.<\/strong> Le niacinamide est l&rsquo;un des actifs les mieux tol\u00e9r\u00e9s de la cosm\u00e9tique, toutes concentrations confondues jusqu&rsquo;\u00e0 10 %. Compatible avec la grossesse, utilisable matin et soir, non photosensibilisant.<\/div>\n      <\/div>\n\n      <div class=\"bd-alert bd-alert-danger\">\n        <span class=\"bd-alert-icon\">\u26a0\ufe0f<\/span>\n        <div><strong>Effet flush.<\/strong> Le niacinamide est bien tol\u00e9r\u00e9 jusqu&rsquo;\u00e0 5 %. \u00c0 10 % et plus, le risque d&rsquo;irritation augmente, et dans de rares cas un flush peut appara\u00eetre, souvent li\u00e9 \u00e0 une conversion en niacine plut\u00f4t qu&rsquo;au niacinamide lui-m\u00eame.<\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- ============ QUICK VIEW 11 SERUMS ============ -->\n  <section class=\"bd-section\">\n    <div class=\"bd-wrap\">\n      <div class=\"bd-section-label\">Tableau comparatif<\/div>\n      <h2>Les 14 s\u00e9rums analys\u00e9s, <em>en un coup d&rsquo;\u0153il<\/em>.<\/h2>\n      <p class=\"bd-lead\">Avant d&rsquo;entrer dans le d\u00e9tail de chaque formulation, voici la cartographie compl\u00e8te de la s\u00e9lection, class\u00e9e par objectif principal.<\/p>\n\n      <div class=\"bd-quickview\">\n        <div class=\"bd-quickview-card\">\n          <span class=\"bd-quickview-form\">S\u00e9bum + imperfections<\/span>\n          <h4>S\u00e9rum Acide Salicylique 2% + Niacinamide 3%<\/h4>\n          <span class=\"bd-quickview-brand\">Horace<\/span>\n          <p>Peaux grasses acn\u00e9iques \u2014 salicylique + niacinamide<\/p>\n          <span class=\"bd-quickview-conc\">3 %<\/span>\n        <\/div>\n        <div class=\"bd-quickview-card\">\n          <span class=\"bd-quickview-form\">S\u00e9bum + imperfections<\/span>\n          <h4>Niacinamide 10% + Zinc 1%<\/h4>\n          <span class=\"bd-quickview-brand\">The Ordinary<\/span>\n          <p>Peaux grasses acn\u00e9iques \u2014 le plus comment\u00e9<\/p>\n          <span class=\"bd-quickview-conc\">10 %<\/span>\n        <\/div>\n        <div class=\"bd-quickview-card\">\n          <span class=\"bd-quickview-form\">S\u00e9bum + imperfections<\/span>\n          <h4>Niacinamide 10% + Cuivre + Zinc<\/h4>\n          <span class=\"bd-quickview-brand\">Aroma-Zone<\/span>\n          <p>Peaux mixtes grasses \u2014 triple synergie<\/p>\n          <span class=\"bd-quickview-conc\">10 %<\/span>\n        <\/div>\n        <div class=\"bd-quickview-card\">\n          <span class=\"bd-quickview-form\">S\u00e9bum + imperfections<\/span>\n          <h4>B-Bomb 10% Niacinamide<\/h4>\n          <span class=\"bd-quickview-brand\">Geek &amp; Gorgeous<\/span>\n          <p>Peaux grasses \u2014 meilleur rapport Q\/P<\/p>\n          <span class=\"bd-quickview-conc\">10 %<\/span>\n        <\/div>\n        <div class=\"bd-quickview-card\">\n          <span class=\"bd-quickview-form\">Anti-taches + rougeurs<\/span>\n          <h4>LIFTACTIV Serum B3<\/h4>\n          <span class=\"bd-quickview-brand\">Vichy<\/span>\n          <p>Anti-taches intensif \u2014 niacinamide + tranexamique<\/p>\n          <span class=\"bd-quickview-conc\">N.P.<\/span>\n        <\/div>\n        <div class=\"bd-quickview-card\">\n          <span class=\"bd-quickview-form\">Barri\u00e8re + hydratation \u00b7 Anti-\u00e2ge<\/span>\n          <h4>Ampoule Hydra Vitamine B3<\/h4>\n          <span class=\"bd-quickview-brand\">SVR<\/span>\n          <p>Peaux s\u00e8ches sensibles \u2014 pharmacie<\/p>\n          <span class=\"bd-quickview-conc\">5 %<\/span>\n        <\/div>\n        <div class=\"bd-quickview-card\">\n          <span class=\"bd-quickview-form\">Anti-taches + rougeurs<\/span>\n          <h4>NIACINAMIDE 10% + TXA 4%<\/h4>\n          <span class=\"bd-quickview-brand\">Anua<\/span>\n          <p>Taches + rougeurs \u2014 formule compl\u00e8te<\/p>\n          <span class=\"bd-quickview-conc\">10 %<\/span>\n        <\/div>\n        <div class=\"bd-quickview-card\">\n          <span class=\"bd-quickview-form\">Anti-taches + rougeurs<\/span>\n          <h4>Mela B3 S\u00e9rum Anti-T\u00e2ches<\/h4>\n          <span class=\"bd-quickview-brand\">La Roche-Posay<\/span>\n          <p>Taches pigmentaires \u2014 dermo<\/p>\n          <span class=\"bd-quickview-conc\">10 %<\/span>\n        <\/div>\n        <div class=\"bd-quickview-card\">\n          <span class=\"bd-quickview-form\">Barri\u00e8re + hydratation<\/span>\n          <h4>Soothing &amp; Barrier Support<\/h4>\n          <span class=\"bd-quickview-brand\">The Ordinary<\/span>\n          <p>Peaux sensibles r\u00e9actives \u2014 compl\u00e9ment r\u00e9tinol<\/p>\n          <span class=\"bd-quickview-conc\">5 %<\/span>\n        <\/div>\n        <div class=\"bd-quickview-card\">\n          <span class=\"bd-quickview-form\">Barri\u00e8re + hydratation<\/span>\n          <h4>Glow Serum Propolis + Niacinamide<\/h4>\n          <span class=\"bd-quickview-brand\">Beauty of Joseon<\/span>\n          <p>Peaux mixtes acn\u00e9iques \u2014 K-beauty<\/p>\n          <span class=\"bd-quickview-conc\">2 %<\/span>\n        <\/div>\n        <div class=\"bd-quickview-card\">\n          <span class=\"bd-quickview-form\">Barri\u00e8re + hydratation<\/span>\n          <h4>MINERAL 89 Probiotic Fractions<\/h4>\n          <span class=\"bd-quickview-brand\">Vichy<\/span>\n          <p>Peaux sensibles d\u00e9s\u00e9quilibr\u00e9es \u2014 microbiome<\/p>\n          <span class=\"bd-quickview-conc\">N.P.<\/span>\n        <\/div>\n        <div class=\"bd-quickview-card\">\n          <span class=\"bd-quickview-form\">Barri\u00e8re + hydratation<\/span>\n          <h4>Hyaluron Activ B3 S\u00e9rum<\/h4>\n          <span class=\"bd-quickview-brand\">Av\u00e8ne<\/span>\n          <p>Peaux sensibles s\u00e8ches \u2014 minimaliste<\/p>\n          <span class=\"bd-quickview-conc\">6 %<\/span>\n        <\/div>\n        <div class=\"bd-quickview-card\">\n          <span class=\"bd-quickview-form\">Anti-\u00e2ge<\/span>\n          <h4>Booster 10% Niacinamide<\/h4>\n          <span class=\"bd-quickview-brand\">Paula&rsquo;s Choice<\/span>\n          <p>Anti-\u00e2ge \u00b7 antioxydants \u2014 ubiquinone, carnosine<\/p>\n          <span class=\"bd-quickview-conc\">10 %<\/span>\n        <\/div>\n        <div class=\"bd-quickview-card\">\n          <span class=\"bd-quickview-form\">Anti-\u00e2ge \u00b7 Nooance<\/span>\n          <h4>S\u00e9rum multi-actifs 5 acides hyaluroniques<\/h4>\n          <span class=\"bd-quickview-brand\">Nooance<\/span>\n          <p>Fermet\u00e9, rides, repulpage \u2014 meilleure formule anti-\u00e2ge<\/p>\n          <span class=\"bd-quickview-conc\">5 %<\/span>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- ============ PARTIE I \u2014 S\u00c9BUM & IMPERFECTIONS ============ -->\n  <section class=\"bd-section\">\n    <div class=\"bd-wrap\">\n      <div class=\"bd-phase\" style=\"border-top: none; margin-top: 0; padding-top: 0;\">\n        <div class=\"bd-phase-header\">\n          <div class=\"bd-phase-num\">Partie 01<\/div>\n          <h3 class=\"bd-phase-title\"><em>S\u00e9bum<\/em>, pores et imperfections<\/h3>\n        <\/div>\n        <p class=\"bd-phase-sub\">Concentration maximale recommand\u00e9e (10 %) \u00b7 Axe s\u00e9bor\u00e9gulateur et anti-imperfections \u00b7 Peaux mixtes \u00e0 grasses.<\/p>\n        <div class=\"bd-phase-intro\">\n          <p>Les s\u00e9rums \u00e0 niacinamide <strong>10 %<\/strong> sont les plus document\u00e9s pour la r\u00e9gulation du s\u00e9bum, la r\u00e9duction de l&rsquo;aspect des pores et la correction des imperfections l\u00e9g\u00e8res. Ils conviennent aux peaux mixtes \u00e0 grasses, et peuvent \u00eatre int\u00e9gr\u00e9s <em>matin et soir<\/em>. Leur tol\u00e9rance est excellente pour la quasi-totalit\u00e9 des profils \u00e0 cette concentration.<\/p>\n        <\/div>\n\n\n        <!-- HORACE -->\n        <div class=\"bd-product\">\n          <div class=\"bd-product-top\">\n            <div>\n              <span class=\"bd-product-brand\">Horace<\/span>\n              <h3>S\u00e9rum Acide Salicylique 2% + Niacinamide 3%<\/h3>\n              <span class=\"bd-rating\"><span class=\"bd-stars\">\u2605\u2605\u2605\u2605\u00bd<\/span><span class=\"bd-score\">4,67\/5<\/span><span class=\"bd-count\">(3 avis BeautyDecoded)<\/span><\/span>\n            <\/div>\n            <span class=\"bd-product-badge bd-badge-gold\">S\u00e9bum + imperfections \u2014 N\u00b01<\/span>\n          <\/div>\n          <code class=\"bd-inci\"><strong>INCI (extrait) :<\/strong> AQUA, PROPANEDIOL, GLYCERIN, NIACINAMIDE, ZINC PCA, PENTYLENE GLYCOL, SALICYLIC ACID, ASCORBYL GLUCOSIDE, ACACIA SENEGAL GUM, XANTHAN GUM, SODIUM HYDROXIDE, SACCHARIDE ISOMERATE, GLYCERYL CAPRYLATE\u2026<\/code>\n          <p>Niacinamide \u00e0 3 % en 4e position INCI, associ\u00e9 \u00e0 l&rsquo;acide salicylique \u00e0 2 % (com\u00e9dolytique, k\u00e9ratolytique) et au zinc PCA (s\u00e9bor\u00e9ducteur) dans une formule compacte et efficace. L&rsquo;acide salicylique p\u00e9n\u00e8tre dans le follicule pilaire et dissout les bouchons s\u00e9bac\u00e9s \u2014 m\u00e9canisme compl\u00e9mentaire du niacinamide sur la r\u00e9gulation du s\u00e9bum. Pr\u00e9sence d&rsquo;ascorbyl glucoside (d\u00e9riv\u00e9 stable de vitamine C) et de saccharide isomerate (humectant). Sans parfum.<\/p>\n          <div class=\"bd-sv bd-sv-caution\"><strong>\u26a0\ufe0f Verdict sensibilit\u00e9<\/strong> Risque potentiel d&rsquo;irritation l\u00e9ger. L&rsquo;acide salicylique \u00e0 2 % peut ass\u00e9cher les peaux tr\u00e8s s\u00e8ches. D\u00e9conseill\u00e9 aux peaux sensibles r\u00e9actives sans introduction progressive.<\/div>\n          <div class=\"bd-quotes-label\">Retours utilisateurs<\/div>\n          <div class=\"bd-quotes\">\n            <div class=\"bd-quote\">\u00ab Aucun commentaire direct disponible sur cet INCI \u2014 les retours Horace portent principalement sur d&rsquo;autres produits de la marque. \u00bb<\/div>\n          <\/div>\n          <div class=\"bd-verdict\"><strong>Synth\u00e8se \u2014<\/strong> l&rsquo;une des associations les plus pertinentes pour les peaux grasses acn\u00e9iques : la triple synergie acide salicylique + niacinamide + zinc PCA agit simultan\u00e9ment sur les com\u00e9dons (salicylique), la r\u00e9gulation du s\u00e9bum (niacinamide + zinc) et l&rsquo;\u00e9clat (ascorbyl glucoside). Formule concise, bien construite, positionn\u00e9e sur le march\u00e9 masculin mais adapt\u00e9e \u00e0 tous les profils acn\u00e9iques.<\/div>\n        <\/div>\n\n        <div class=\"bd-product\">\n          <div class=\"bd-product-top\">\n            <div>\n              <span class=\"bd-product-brand\">The Ordinary<\/span>\n              <h3>Niacinamide 10% + Zinc 1%<\/h3>\n              <span class=\"bd-rating\"><span class=\"bd-stars\">\u2605\u2605\u2605\u2605\u00bd<\/span><span class=\"bd-score\">4,43\/5<\/span><span class=\"bd-count\">(82 avis BeautyDecoded)<\/span><\/span>\n            <\/div>\n            <span class=\"bd-product-badge bd-badge-gold\">Le plus comment\u00e9<\/span>\n          <\/div>\n          <code class=\"bd-inci\"><strong>INCI complet :<\/strong> AQUA, NIACINAMIDE, PENTYLENE GLYCOL, ZINC PCA, DIMETHYL ISOSORBIDE, TAMARINDUS INDICA SEED GUM, XANTHAN GUM, ISOCETETH-20, ETHOXYDIGLYCOL, PHENOXYETHANOL, CHLORPHENESIN<\/code>\n          <p>Formule minimaliste : niacinamide en 2e position, associ\u00e9 au zinc PCA (s\u00e9bor\u00e9ducteur). <strong>L&rsquo;INCI extr\u00eamement court est une force<\/strong> \u2014 aucun ingr\u00e9dient superflu, facilement combinable avec d&rsquo;autres actifs. La texture aqueuse l\u00e9g\u00e8re convient aux peaux grasses.<\/p>\n          <div class=\"bd-sv bd-sv-ok\"><strong>\u2705 Verdict sensibilit\u00e9<\/strong> Excellente tol\u00e9rance. L&rsquo;une des formules les mieux tol\u00e9r\u00e9es de la s\u00e9lection \u2014 confirm\u00e9 par la tr\u00e8s large base d&rsquo;avis utilisateurs.<\/div>\n          <div class=\"bd-quotes-label\">Retours utilisateurs<\/div>\n          <div class=\"bd-quotes\">\n            <div class=\"bd-quote\">\u00ab \u00c7a fait 2 ans que je l&rsquo;utilise \u2014 mes pores sont beaucoup moins visibles et ma peau est lisse. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Il est super pour les peaux grasses. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Je n&rsquo;ai pas vu d&rsquo;effet sur mon acn\u00e9. \u00bb<\/div>\n          <\/div>\n          <div class=\"bd-verdict\"><strong>Synth\u00e8se \u2014<\/strong> la base de donn\u00e9es d&rsquo;avis la plus large de la s\u00e9lection (82 avis). Formule \u00e9pur\u00e9e, efficacit\u00e9 document\u00e9e sur les pores et le s\u00e9bum. Les attentes sur l&rsquo;acn\u00e9 inflammatoire peuvent d\u00e9passer ce que le niacinamide seul peut offrir \u2014 pour ce profil, l&rsquo;association avec un acide az\u00e9la\u00efque ou salicylique est plus pertinente. Prix imbattable.<\/div>\n        <\/div>\n\n        <div class=\"bd-product\">\n          <div class=\"bd-product-top\">\n            <div>\n              <span class=\"bd-product-brand\">Aroma-Zone<\/span>\n              <h3>S\u00e9rum Concentr\u00e9 Niacinamide 10%, Cuivre &amp; Zinc<\/h3>\n              <span class=\"bd-rating\"><span class=\"bd-stars\">\u2605\u2605\u2605\u2605\u00bd<\/span><span class=\"bd-score\">4,46\/5<\/span><span class=\"bd-count\">(25 avis BeautyDecoded)<\/span><\/span>\n            <\/div>\n            <span class=\"bd-product-badge bd-badge-bronze\">Triple synergie<\/span>\n          <\/div>\n          <code class=\"bd-inci\"><strong>INCI complet :<\/strong> AQUA, NIACINAMIDE, SALIX NIGRA BARK EXTRACT, ZINC PCA, SODIUM HYALURONATE, COPPER PCA, BIOSACCHARIDE GUM-1, GLYCERIN, LEVULINIC ACID, SODIUM LEVULINATE, GLYCERYL CAPRYLATE, SODIUM ANISATE, SODIUM HYDROXIDE, TETRASODIUM GLUTAMATE DIACETATE<\/code>\n          <p>Niacinamide \u00e0 10 % associ\u00e9 \u00e0 <strong>deux min\u00e9raux actifs<\/strong> : zinc PCA (s\u00e9bor\u00e9ducteur) et cuivre PCA (stimulant de la synth\u00e8se du collag\u00e8ne, action antibact\u00e9rienne). Formule sans parfum, sans alcool. <em>Rechargeable \u2014 avantage \u00e9cologique notable.<\/em><\/p>\n          <div class=\"bd-sv bd-sv-caution\"><strong>\u26a0\ufe0f Verdict sensibilit\u00e9<\/strong> Risque potentiel d&rsquo;irritation l\u00e9ger. La combinaison niacinamide + cuivre PCA peut r\u00e9agir avec les peptides de cuivre utilis\u00e9s en parall\u00e8le dans la routine \u2014 surveiller les associations.<\/div>\n          <div class=\"bd-quotes-label\">Retours utilisateurs<\/div>\n          <div class=\"bd-quotes\">\n            <div class=\"bd-quote\">\u00ab Att\u00e9nue les imperfections. Facile d&rsquo;application, bien absorb\u00e9. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Tr\u00e8s bon rapport qualit\u00e9\/prix. Ayant une peau \u00e0 imperfections, cela m&rsquo;a \u00e9norm\u00e9ment aid\u00e9e. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Je n&rsquo;ai vu aucune am\u00e9lioration sur les taches pigmentaires et il est un peu collant. \u00bb<\/div>\n          <\/div>\n          <div class=\"bd-verdict\"><strong>Synth\u00e8se \u2014<\/strong> formule enrichie par la triple synergie niacinamide + zinc + cuivre. Pertinente pour les peaux grasses \u00e0 imperfections. Rechargeable \u2014 avantage environnemental concret.<\/div>\n        <\/div>\n\n        <div class=\"bd-product\">\n          <div class=\"bd-product-top\">\n            <div>\n              <span class=\"bd-product-brand\">Geek &amp; Gorgeous<\/span>\n              <h3>B-Bomb 10% Niacinamide Serum<\/h3>\n              <span class=\"bd-rating\"><span class=\"bd-stars\">\u2605\u2605\u2605\u2605\u2605<\/span><span class=\"bd-score\">5,00\/5<\/span><span class=\"bd-count\">(9 avis BeautyDecoded)<\/span><\/span>\n            <\/div>\n            <span class=\"bd-product-badge bd-badge-blue\">Meilleur Q\/P \u2014 10 %<\/span>\n          <\/div>\n          <code class=\"bd-inci\"><strong>INCI complet :<\/strong> AQUA, NIACINAMIDE, BUTYLENE GLYCOL, GLYCERETH-26, ZINC PCA, SARCOSINE, PROPANEDIOL, PENTYLENE GLYCOL, XANTHAN GUM, ETHYLHEXYLGLYCERIN, PHENOXYETHANOL<\/code>\n          <p>Niacinamide \u00e0 10 % avec zinc PCA et <strong>sarcosine<\/strong> \u2014 un acide amin\u00e9 N-m\u00e9thyl\u00e9 aux propri\u00e9t\u00e9s hydratantes et anti-irritantes. Formule aqueuse l\u00e9g\u00e8re, sans parfum. Fabriqu\u00e9 \u00e0 la commande.<\/p>\n          <div class=\"bd-sv bd-sv-ok\"><strong>\u2705 Verdict sensibilit\u00e9<\/strong> Excellente tol\u00e9rance. La sarcosine apporte une dimension apaisante suppl\u00e9mentaire par rapport aux formules niacinamide + zinc seuls.<\/div>\n          <div class=\"bd-quotes-label\">Retours utilisateurs<\/div>\n          <div class=\"bd-quotes\">\n            <div class=\"bd-quote\">\u00ab Inutile de se ruiner, ce produit r\u00e9pond \u00e0 ses promesses. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Tr\u00e8s bon rapport qualit\u00e9\/prix. S&rsquo;applique facilement. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab \u00c0 m\u00e9langer avec n&rsquo;importe quel s\u00e9rum pour apporter un plus. \u00bb<\/div>\n          <\/div>\n          <div class=\"bd-verdict\"><strong>Synth\u00e8se \u2014<\/strong> formule sobre et efficace au meilleur rapport qualit\u00e9\/prix de cette cat\u00e9gorie. La sarcosine diff\u00e9rencie ce s\u00e9rum des formules niacinamide + zinc classiques.<\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- ============ PARTIE IV \u2014 ANTI-\u00c2GE ============ -->\n  <section class=\"bd-section\">\n    <div class=\"bd-wrap\">\n      <div class=\"bd-phase\" style=\"border-top: none; margin-top: 0; padding-top: 0;\">\n        <div class=\"bd-phase-header\">\n          <div class=\"bd-phase-num\">Partie 02<\/div>\n          <h3 class=\"bd-phase-title\">Niacinamide <em>anti-\u00e2ge<\/em> : peptides et acides hyaluroniques<\/h3>\n        <\/div>\n        <p class=\"bd-phase-sub\">Niacinamide associ\u00e9 \u00e0 des complexes peptidiques et humectants \u00b7 Fermet\u00e9, rides, repulpage \u00b7 Peaux matures ou en pr\u00e9vention.<\/p>\n        <div class=\"bd-phase-intro\">\n          <p>Le niacinamide, au-del\u00e0 de ses effets s\u00e9bor\u00e9gulateurs et anti-pigmentaires, stimule directement la synth\u00e8se de collag\u00e8ne et de c\u00e9ramides. Associ\u00e9 \u00e0 des <strong>complexes peptidiques multi-actifs et des acides hyaluroniques de diff\u00e9rentes masses mol\u00e9culaires<\/strong>, il d\u00e9veloppe une action anti-\u00e2ge globale \u2014 fermet\u00e9, hydratation profonde, att\u00e9nuation des rides. Ces formules s&rsquo;adressent aux peaux matures ou aux profils cherchant \u00e0 int\u00e9grer un actif anti-\u00e2ge de fond bien tol\u00e9r\u00e9.<\/p>\n        <\/div>\n\n        <!-- NOOANCE MULTI-ACTIFS -->\n        <div class=\"bd-product\">\n          <div class=\"bd-product-top\">\n            <div>\n              <span class=\"bd-product-brand\">Nooance<\/span>\n              <h3>S\u00e9rum multi-actifs 5 acides hyaluroniques<\/h3>\n              <span class=\"bd-rating\"><span class=\"bd-stars\">\u2605\u2605\u2605\u2605\u2606<\/span><span class=\"bd-score\">4,36\/5<\/span><span class=\"bd-count\">(18 avis BeautyDecoded)<\/span><\/span>\n            <\/div>\n            <span class=\"bd-product-badge bd-badge-gold\">Anti-\u00e2ge \u2014 meilleure formule<\/span>\n          <\/div>\n          <code class=\"bd-inci\"><strong>INCI (extrait) :<\/strong> AQUA, DIPROPYLENE GLYCOL, NIACINAMIDE, PENTYLENE GLYCOL, GLYCERIN, HYDROLYZED YEAST EXTRACT, GLYCERETH-26, PANTHENOL, HYDROLYZED HYALURONIC ACID, SODIUM HYALURONATE, SODIUM ACETYLATED HYALURONATE, SODIUM HYALURONATE CROSSPOLYMER, HYDROLYZED SODIUM HYALURONATE, POLYGLUTAMIC ACID, CENTELLA ASIATICA LEAF CELL EXTRACT, SODIUM CARBOXYMETHYL BETA-GLUCAN, POLYGLUCURONIC ACID, CARNOSINE, ACETYL HEXAPEPTIDE-8, N-PROLYL PALMITOYL TRIPEPTIDE-56 ACETATE, PALMITOYL TRIPEPTIDE-1, PALMITOYL HEPTAPEPTIDE-27, PALMITOYL OCTAPEPTIDE-24, ARGININE, PHOSPHOLIPIDS, LECITHIN, SPHINGOLIPIDS, ALPHA-ARBUTIN, TOCOPHEROL\u2026<\/code>\n          <p>Niacinamide \u00e0 5 % en 3e position INCI dans une architecture formulative remarquable : <strong>5 formes d&rsquo;acide hyaluronique<\/strong> (crosspolymer haute masse, hydrolys\u00e9 basse masse, ac\u00e9tyl\u00e9, carboxym\u00e9thyl et standard), polyglutamic acid (humectant sup\u00e9rieur \u00e0 l&rsquo;acide hyaluronique), carnosine (antioxydant dipeptidique), <strong>8 peptides de synth\u00e8se<\/strong> (ac\u00e9tyl hexapeptide-8, palmitoyl tripeptide-1, palmitoyl heptapeptide-27, palmitoyl octapeptide-24\u2026), extrait de centella asiatica, sphingolipides, phospholipides et alpha-arbutine. Sans parfum. La densit\u00e9 formulative est exceptionnelle pour un s\u00e9rum cosm\u00e9tique grand public.<\/p>\n          <div class=\"bd-sv bd-sv-ok\"><strong>\u2705 Verdict sensibilit\u00e9<\/strong> Tol\u00e9rance optimale. Formule sans alcool, sans parfum, sans compos\u00e9 irritant identifi\u00e9. Adapt\u00e9e aux peaux s\u00e8ches comme grasses. La pr\u00e9sence de sphingolipides renforce la barri\u00e8re cutan\u00e9e simultan\u00e9ment.<\/div>\n          <div class=\"bd-quotes-label\">Retours utilisateurs<\/div>\n          <div class=\"bd-quotes\">\n            <div class=\"bd-quote\">\u00ab Premi\u00e8re fois que je constate que ma peau est plus lisse, repulp\u00e9e et les rides moins visibles apr\u00e8s 2 mois d&rsquo;utilisation. Et j&rsquo;ai le front bien rid\u00e9. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Hydratant, repulpant et vrai fer \u00e0 repasser de la ridule \u2014 donne une vraie \u00e9lasticit\u00e9. Non com\u00e9dog\u00e8ne. Je l&rsquo;appr\u00e9cie vraiment coupl\u00e9 au peptide de cuivre. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Super s\u00e9rum, tr\u00e8s hydratant, p\u00e9n\u00e8tre bien. B\u00e9mol : un peu cher. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Ma peau est plus rebondie et plus lisse depuis que je l&rsquo;utilise combin\u00e9 \u00e0 un s\u00e9rum niacinamide. \u00bb<\/div>\n          <\/div>\n          <div class=\"bd-verdict\"><strong>Synth\u00e8se \u2014<\/strong> la formule anti-\u00e2ge la plus compl\u00e8te de la s\u00e9lection niacinamide. La combinaison 5 acides hyaluroniques + 8 peptides de synth\u00e8se + polyglutamic acid + carnosine constitue une architecture humectante et tenseur de premier plan. L&rsquo;action anti-\u00e2ge du niacinamide est ici d\u00e9cupl\u00e9e par les peptides stimulateurs de collag\u00e8ne. Le prix \u00e9lev\u00e9 et la texture ultra-fluide (n\u00e9cessitant 3 \u00e0 5 gouttes sur peau l\u00e9g\u00e8rement humide) sont les principaux freins. Option pertinente pour les profils ciblant la fermet\u00e9 et l&rsquo;att\u00e9nuation des rides en routine de fond.<\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n\n        <!-- PAULA'S CHOICE BOOSTER -->\n        <div class=\"bd-product\">\n          <div class=\"bd-product-top\">\n            <div>\n              <span class=\"bd-product-brand\">Paula&rsquo;s Choice<\/span>\n              <h3>Booster 10% Niacinamide<\/h3>\n              <span class=\"bd-rating\"><span class=\"bd-stars\">\u2605\u2605\u2605\u2606\u2606<\/span><span class=\"bd-score\">3,00\/5<\/span><span class=\"bd-count\">(3 avis BeautyDecoded)<\/span><\/span>\n            <\/div>\n            <span class=\"bd-product-badge bd-badge-silver\">Antioxydants + anti-\u00e2ge<\/span>\n          <\/div>\n          <code class=\"bd-inci\"><strong>INCI complet :<\/strong> AQUA, NIACINAMIDE, ACETYL GLUCOSAMINE, ASCORBYL GLUCOSIDE, BUTYLENE GLYCOL, PHOSPHOLIPIDS, SODIUM HYALURONATE, ALLANTOIN, BOERHAVIA DIFFUSA ROOT EXTRACT, GLYCERIN, DIPOTASSIUM GLYCYRRHIZATE, GLYCYRRHIZA GLABRA ROOT EXTRACT, UBIQUINONE, EPIGALLOCATECHIN GALLATE, BETA-GLUCAN, PANTHENOL, CARNOSINE, GENISTEIN, CITRIC ACID, SODIUM CITRATE, SODIUM HYDROXIDE, XANTHAN GUM, DISODIUM EDTA, ETHYLHEXYLGLYCERIN, PHENOXYETHANOL<\/code>\n          <p>Niacinamide \u00e0 10 % combin\u00e9 \u00e0 une gamme antioxydante remarquable : ubiquinone (CoQ10, antioxydant mitochondrial), EGCG (\u00e9pigallocat\u00e9chine gallate \u2014 polyph\u00e9nol du th\u00e9 vert), carnosine (dipeptide antioxydant et anti-glycation), g\u00e9nist\u00e9ine (isoflavone \u00e0 activit\u00e9 \u0153strog\u00e9nomim\u00e9tique document\u00e9e sur la fermet\u00e9), ac\u00e9tyl glucosamine (pr\u00e9curseur de l&rsquo;acide hyaluronique) et beta-glucane (immunomodulant, cicatrisant). Formule sans parfum. Format booster \u2014 \u00e0 ajouter \u00e0 un s\u00e9rum ou une cr\u00e8me hydratante.<\/p>\n          <div class=\"bd-sv bd-sv-ok\"><strong>\u2705 Verdict sensibilit\u00e9<\/strong> Tol\u00e9rance favorable (score sensibilit\u00e9 +1,0). Formule sans alcool, sans parfum, enrichie en actifs apaisants (allantoin, panthenol, extrait de r\u00e9glisse).<\/div>\n          <div class=\"bd-quotes-label\">Retours utilisateurs<\/div>\n          <div class=\"bd-quotes\">\n            <div class=\"bd-quote\">\u00ab Coupl\u00e9 \u00e0 la vitamine C de la m\u00eame marque, ce soin au niacinamide am\u00e9liore visiblement la texture de la peau. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Combin\u00e9 \u00e0 de l&rsquo;acide az\u00e9la\u00efque il est tr\u00e8s bien \u2014 p\u00e9n\u00e8tre tr\u00e8s bien la peau, ne laisse pas de film gras. Mais seul, je n&rsquo;ai pas vu de r\u00e9sultat. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Je n&rsquo;ai vu aucun effet sur ma peau et vu le prix ce produit je suis assez d\u00e9\u00e7ue. \u00bb<\/div>\n          <\/div>\n          <div class=\"bd-verdict\"><strong>Synth\u00e8se \u2014<\/strong> la formule antioxydante la plus dense de la s\u00e9lection niacinamide. La pr\u00e9sence de CoQ10, EGCG, carnosine et g\u00e9nist\u00e9ine dans un booster niacinamide 10 % constitue une approche anti-\u00e2ge multi-m\u00e9canismes coh\u00e9rente. Les retours utilisateurs sont mitig\u00e9s en utilisation seule \u2014 ce booster est con\u00e7u pour \u00eatre associ\u00e9, pas utilis\u00e9 de fa\u00e7on isol\u00e9e. Option pertinente pour les profils cherchant \u00e0 enrichir une routine anti-\u00e2ge existante.<\/div>\n        <\/div>\n\n  <!-- ============ PARTIE III \u2014 ANTI-TACHES & ROUGEURS ============ -->\n  <section class=\"bd-section\">\n    <div class=\"bd-wrap\">\n      <div class=\"bd-phase\" style=\"border-top: none; margin-top: 0; padding-top: 0;\">\n        <div class=\"bd-phase-header\">\n          <div class=\"bd-phase-num\">Partie 03<\/div>\n          <h3 class=\"bd-phase-title\"><em>Niacinamide<\/em> associ\u00e9 : anti-taches et anti-rougeurs<\/h3>\n        <\/div>\n        <p class=\"bd-phase-sub\">Niacinamide combin\u00e9 \u00e0 des actifs synergiques \u00b7 Correction pigmentaire renforc\u00e9e \u00b7 Rougeurs et teint irr\u00e9gulier.<\/p>\n        <div class=\"bd-phase-intro\">\n          <p>Le niacinamide est un <strong>actif de fond qui potentialise l&rsquo;action d&rsquo;autres actifs anti-pigmentaires<\/strong> \u2014 notamment l&rsquo;acide tranexamique, l&rsquo;alpha-arbutine et la vitamine C.<\/p>\n        <\/div>\n\n\n        <!-- VICHY LIFTACTIV B3 -->\n        <div class=\"bd-product\">\n          <div class=\"bd-product-top\">\n            <div>\n              <span class=\"bd-product-brand\">Vichy<\/span>\n              <h3>LIFTACTIV Serum B3<\/h3>\n              <span class=\"bd-rating\"><span class=\"bd-stars\">\u2605\u2605\u2605\u2605\u2605<\/span><span class=\"bd-score\">5,00\/5<\/span><span class=\"bd-count\">(3 avis BeautyDecoded)<\/span><\/span>\n            <\/div>\n            <span class=\"bd-product-badge bd-badge-gold\">Anti-taches \u2014 N\u00b01<\/span>\n          <\/div>\n          <code class=\"bd-inci\"><strong>INCI (extrait) :<\/strong> AQUA, NIACINAMIDE, BUTYLENE GLYCOL, HYDROXYETHYLPIPERAZINE ETHANE SULFONIC ACID, GLYCERIN, PENTYLENE GLYCOL, PROPANEDIOL, HYDROXYETHYL UREA, GLYCOLIC ACID, ARGININE, TRANEXAMIC ACID, HYDROLYZED RICE PROTEIN, ALLANTOIN, CITRIC ACID, SODIUM HYDROXIDE, 2-MERCAPTONICOTINOYL GLYCINE\u2026<\/code>\n          <p>Niacinamide en 2e position INCI, associ\u00e9 \u00e0 l&rsquo;acide tranexamique et \u00e0 l&rsquo;acide glycolique (AHA exfoliant) dans une formule anti-taches de r\u00e9f\u00e9rence Vichy. La pr\u00e9sence de HEPES (hydroxyethylpiperazine ethane sulfonic acid) assure la stabilit\u00e9 du pH, crit\u00e8re d\u00e9terminant pour l&rsquo;efficacit\u00e9 des actifs acides. L&rsquo;hydrolysat de prot\u00e9ines de riz apporte une dimension hydratante filmog\u00e8ne. La combinaison niacinamide + acide tranexamique + AHA constitue l&rsquo;une des approches anti-taches les plus compl\u00e8tes disponibles en cosm\u00e9tique. Sans parfum.<\/p>\n          <div class=\"bd-sv bd-sv-caution\"><strong>\u26a0\ufe0f Verdict sensibilit\u00e9<\/strong> Risque potentiel d&rsquo;irritation mod\u00e9r\u00e9. La pr\u00e9sence d&rsquo;acide glycolique (AHA) impose une utilisation progressive et une photoprotection SPF 50+ le matin. D\u00e9conseill\u00e9 aux peaux tr\u00e8s r\u00e9actives sans introduction pr\u00e9alable.<\/div>\n          <div class=\"bd-quotes-label\">Retours utilisateurs<\/div>\n          <div class=\"bd-quotes\">\n            <div class=\"bd-quote\">\u00ab Att\u00e9nuation rapide d&rsquo;une tache de plus de 1 cm malgr\u00e9 une application un peu al\u00e9atoire. Tr\u00e8s bien tol\u00e9r\u00e9. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Tr\u00e8s bon s\u00e9rum, efficace sur le long terme. Pas d&rsquo;irritations. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab R\u00e9sultat obtenu mais dans le long terme. Sans parfum. \u00bb<\/div>\n          <\/div>\n          <div class=\"bd-verdict\"><strong>Synth\u00e8se \u2014<\/strong> formule anti-taches Vichy parmi les plus compl\u00e8tes du march\u00e9 cosm\u00e9tique : niacinamide + acide tranexamique + acide glycolique dans un v\u00e9hicule \u00e0 pH contr\u00f4l\u00e9. La triple action anti-pigmentaire (inhibition du transfert des m\u00e9lanosomes + action sur la liaison m\u00e9lanocyte-k\u00e9ratinocyte + exfoliation) est coh\u00e9rente et document\u00e9e. Option pertinente pour les profils ayant des taches pigmentaires \u00e9tablies, en particulier post-inflammatoires ou solaires.<\/div>\n        <\/div>\n\n        <div class=\"bd-product\">\n          <div class=\"bd-product-top\">\n            <div>\n              <span class=\"bd-product-brand\">Laboratoire SVR<\/span>\n              <h3>Ampoule Hydra Vitamine B3<\/h3>\n              <span class=\"bd-rating\"><span class=\"bd-stars\">\u2605\u2605\u2605\u2605\u00bd<\/span><span class=\"bd-score\">4,44\/5<\/span><span class=\"bd-count\">(54 avis BeautyDecoded)<\/span><\/span>\n            <\/div>\n            <span class=\"bd-product-badge bd-badge-gold\">Le plus comment\u00e9 de la partie<\/span>\n          <\/div>\n          <code class=\"bd-inci\"><strong>INCI complet :<\/strong> AQUA, GLYCERIN, NIACINAMIDE, ISOPENTYLDIOL, SODIUM HYALURONATE CROSSPOLYMER, HYDROLYZED HYALURONIC ACID, SODIUM HYALURONATE, 1,2-HEXANEDIOL, ACRYLATES\/C10-30 ALKYL ACRYLATE CROSSPOLYMER, CAPRYLYL GLYCOL, PENTYLENE GLYCOL, SODIUM HYDROXIDE<\/code>\n          <p>Niacinamide \u00e0 5 % associ\u00e9 \u00e0 un <strong>triple complexe d&rsquo;acide hyaluronique<\/strong> dans une formule ultra-l\u00e9g\u00e8re. Sans parfum, sans alcool. L&rsquo;axe principal est l&rsquo;hydratation et l&rsquo;att\u00e9nuation des rougeurs.<\/p>\n          <div class=\"bd-sv bd-sv-ok\"><strong>\u2705 Verdict sensibilit\u00e9<\/strong> Excellente tol\u00e9rance. Formule sans parfum, sans alcool, confirm\u00e9e sur peaux sensibles par la tr\u00e8s large base de retours utilisateurs.<\/div>\n          <div class=\"bd-quotes-label\">Retours utilisateurs<\/div>\n          <div class=\"bd-quotes\">\n            <div class=\"bd-quote\">\u00ab Super s\u00e9rum qui hydrate les peaux s\u00e8ches. Point n\u00e9gatif : il est un peu collant. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab S\u00e9rum que j&rsquo;affectionne pour son effet repulpant et sa protection contre les taches pigmentaires. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Appliqu\u00e9 le soir, il est parfait avant la cr\u00e8me nourrissante et le r\u00e9tinol. \u00bb<\/div>\n          <\/div>\n          <div class=\"bd-verdict\"><strong>Synth\u00e8se \u2014<\/strong> la base d&rsquo;avis la plus large de la s\u00e9lection niacinamide (54 avis). Formule hydratante et apaisante. Option pertinente pour les peaux s\u00e8ches \u00e0 sensibles cherchant un niacinamide accessible en pharmacie.<\/div>\n        <\/div>\n\n        <div class=\"bd-product\">\n          <div class=\"bd-product-top\">\n            <div>\n              <span class=\"bd-product-brand\">Anua<\/span>\n              <h3>Niacinamide 10% + TXA 4%<\/h3>\n              <span class=\"bd-rating\"><span class=\"bd-stars\">\u2605\u2605\u2605\u2605\u00bd<\/span><span class=\"bd-score\">4,55\/5<\/span><span class=\"bd-count\">(10 avis BeautyDecoded)<\/span><\/span>\n            <\/div>\n            <span class=\"bd-product-badge bd-badge-silver\">Niacinamide + acide tranexamique<\/span>\n          <\/div>\n          <code class=\"bd-inci\"><strong>INCI (extrait) :<\/strong> AQUA, GLYCERIN, NIACINAMIDE, TRANEXAMIC ACID, BUTYLENE GLYCOL, DIETHOXYETHYL SUCCINATE, 1,2-HEXANEDIOL, ARBUTIN, PENTYLENE GLYCOL, SODIUM HYALURONATE, XANTHAN GUM, BETAINE SALICYLATE, ALPHA-ARBUTIN, CERAMIDE NP, PANTHENOL, POLYGLUTAMIC ACID, 3-O-ETHYL ASCORBIC ACID\u2026<\/code>\n          <p>Niacinamide \u00e0 10 % associ\u00e9 \u00e0 l&rsquo;acide tranexamique \u00e0 4 % \u2014 <strong>combinaison anti-pigmentaire document\u00e9e par voies compl\u00e9mentaires<\/strong>. Enrichi d&rsquo;alpha-arbutine, d&rsquo;arbutine, de d\u00e9riv\u00e9 de vitamine C et de c\u00e9ramide NP.<\/p>\n          <div class=\"bd-sv bd-sv-ok\"><strong>\u2705 Verdict sensibilit\u00e9<\/strong> Tol\u00e9rance favorable. Les actifs apaisants (panth\u00e9nol, c\u00e9ramide) att\u00e9nuent le risque d&rsquo;irritation li\u00e9 aux concentrations \u00e9lev\u00e9es.<\/div>\n          <div class=\"bd-quotes-label\">Retours utilisateurs<\/div>\n          <div class=\"bd-quotes\">\n            <div class=\"bd-quote\">\u00ab Si vous avez la peau r\u00e9active ou avec imperfections, voire du m\u00e9lasma \u2014 ce s\u00e9rum sera tr\u00e8s bien. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab 10 % de niacinamide, c&rsquo;est trop pour ma peau sensible \u2014 j&rsquo;ai eu des rougeurs. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Parfait pour faire dispara\u00eetre les dark spots \u2014 efficace sans agresser. \u00bb<\/div>\n          <\/div>\n          <div class=\"bd-verdict\"><strong>Synth\u00e8se \u2014<\/strong> la formule la plus compl\u00e8te pour la correction pigmentaire. La double action niacinamide + acide tranexamique est l&rsquo;approche la plus efficace disponible en cosm\u00e9tique pour les taches post-inflammatoires et le m\u00e9lasma l\u00e9ger.<\/div>\n        <\/div>\n\n        <div class=\"bd-product\">\n          <div class=\"bd-product-top\">\n            <div>\n              <span class=\"bd-product-brand\">La Roche-Posay<\/span>\n              <h3>Mela B3 S\u00e9rum Anti-T\u00e2ches Anti-R\u00e9cidive<\/h3>\n              <span class=\"bd-rating\"><span class=\"bd-stars\">\u2605\u2605\u2605\u2605\u00bd<\/span><span class=\"bd-score\">4,58\/5<\/span><span class=\"bd-count\">(18 avis BeautyDecoded \u00b7 10 %)<\/span><\/span>\n            <\/div>\n            <span class=\"bd-product-badge bd-badge-blue\">Anti-taches \u2014 gamme dermo<\/span>\n          <\/div>\n          <code class=\"bd-inci\"><strong>INCI (extrait) :<\/strong> AQUA, DIMETHICONE, NIACINAMIDE, GLYCERIN, PROPYLENE GLYCOL, POLYSILICONE-11, SILICA, CYSTOSEIRA TAMARISCIFOLIA EXTRACT, 2-MERCAPTONICOTINOYL GLYCINE, SODIUM HYALURONATE, SODIUM THIOSULFATE, CARNOSINE, CAPRYLOYL SALICYLIC ACID, TOCOPHEROL, RETINYL PALMITATE\u2026<\/code>\n          <p>Niacinamide dans une formule enrichie d&rsquo;un <strong>actif brevet\u00e9 (2-mercaptonicotinoyl glycine \u2014 d\u00e9riv\u00e9 du niacinamide \u00e0 action anti-r\u00e9cidive)<\/strong>, de carnosine, d&rsquo;un exfoliant doux et de r\u00e9tinyl palmitate. <em>Pr\u00e9sence de parfum.<\/em><\/p>\n          <div class=\"bd-sv bd-sv-caution\"><strong>\u26a0\ufe0f Verdict sensibilit\u00e9<\/strong> Risque potentiel d&rsquo;irritation mod\u00e9r\u00e9. La pr\u00e9sence de parfum et d&rsquo;un exfoliant peut ne pas convenir aux peaux tr\u00e8s sensibles ou r\u00e9actives.<\/div>\n          <div class=\"bd-quotes-label\">Retours utilisateurs<\/div>\n          <div class=\"bd-quotes\">\n            <div class=\"bd-quote\">\u00ab Ultra efficace sur les cicatrices d&rsquo;acn\u00e9 et les taches des peaux noires \u2014 r\u00e9sultats visibles en un mois. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Agr\u00e9able \u00e0 utiliser. A att\u00e9nu\u00e9 mes taches. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Utilis\u00e9 pour corriger mes taches solaires. Apr\u00e8s deux flacons, une l\u00e9g\u00e8re am\u00e9lioration. \u00bb<\/div>\n          <\/div>\n          <div class=\"bd-verdict\"><strong>Synth\u00e8se \u2014<\/strong> formule dermo-cosm\u00e9tique construite autour de l&rsquo;actif brevet\u00e9 anti-r\u00e9cidive. Option pertinente pour les profils pr\u00e9sentant des taches pigmentaires r\u00e9currentes. La pr\u00e9sence de parfum est la principale limite pour les peaux tr\u00e8s sensibles.<\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- ============ PARTIE IV \u2014 BARRI\u00c8RE & HYDRATATION ============ -->\n  <section class=\"bd-section\">\n    <div class=\"bd-wrap\">\n      <div class=\"bd-phase\" style=\"border-top: none; margin-top: 0; padding-top: 0;\">\n        <div class=\"bd-phase-header\">\n          <div class=\"bd-phase-num\">Partie 04<\/div>\n          <h3 class=\"bd-phase-title\"><em>Barri\u00e8re<\/em> et hydratation<\/h3>\n        <\/div>\n        <p class=\"bd-phase-sub\">Concentrations mod\u00e9r\u00e9es (2\u20136 %) \u00b7 Renforcement barri\u00e8re cutan\u00e9e \u00b7 Peaux sensibles, s\u00e8ches, r\u00e9actives.<\/p>\n        <div class=\"bd-phase-intro\">\n          <p>\u00c0 des concentrations de <strong>2 \u00e0 6 %<\/strong>, le niacinamide agit principalement sur le renforcement de la barri\u00e8re cutan\u00e9e et la r\u00e9duction des rougeurs. Ces formules sont particuli\u00e8rement adapt\u00e9es aux peaux sensibles, s\u00e8ches ou r\u00e9actives, et aux profils cherchant \u00e0 <em>stabiliser leur barri\u00e8re lors de l&rsquo;introduction d&rsquo;actifs irritants<\/em> (r\u00e9tinol, AHA).<\/p>\n        <\/div>\n\n\n        <!-- SVR AMPOULE HYDRA \u2014 also featured in Partie 03 -->\n        <div class=\"bd-product\">\n          <div class=\"bd-product-top\">\n            <div>\n              <span class=\"bd-product-brand\">Laboratoire SVR \u2014 5 %<\/span>\n              <h3>Ampoule Hydra Vitamine B3<\/h3>\n              <span class=\"bd-rating\"><span class=\"bd-stars\">\u2605\u2605\u2605\u2605\u00bd<\/span><span class=\"bd-score\">4,44\/5<\/span><span class=\"bd-count\">(54 avis BeautyDecoded)<\/span><\/span>\n            <\/div>\n            <span class=\"bd-product-badge bd-badge-gold\">Barri\u00e8re + anti-taches \u2014 le plus comment\u00e9<\/span>\n          <\/div>\n          <code class=\"bd-inci\"><strong>INCI complet :<\/strong> AQUA, GLYCERIN, NIACINAMIDE, ISOPENTYLDIOL, SODIUM HYALURONATE CROSSPOLYMER, HYDROLYZED HYALURONIC ACID, SODIUM HYALURONATE, 1,2-HEXANEDIOL, ACRYLATES\/C10-30 ALKYL ACRYLATE CROSSPOLYMER, CAPRYLYL GLYCOL, PENTYLENE GLYCOL, SODIUM HYDROXIDE<\/code>\n          <p>Niacinamide \u00e0 5 % associ\u00e9 \u00e0 un <strong>triple complexe d&rsquo;acide hyaluronique<\/strong> dans une formule ultra-l\u00e9g\u00e8re. Sans parfum, sans alcool. Ce s\u00e9rum est particuli\u00e8rement adapt\u00e9 aux peaux s\u00e8ches sensibles : le niacinamide renforce simultan\u00e9ment la barri\u00e8re cutan\u00e9e, r\u00e9duit les rougeurs l\u00e9g\u00e8res et offre une action anti-taches progressive. Il peut \u00eatre utilis\u00e9 matin et soir. Accessible en pharmacie.<\/p>\n          <div class=\"bd-sv bd-sv-ok\"><strong>\u2705 Verdict sensibilit\u00e9<\/strong> Excellente tol\u00e9rance. Formule sans parfum, sans alcool, confirm\u00e9e sur peaux sensibles par la tr\u00e8s large base de retours utilisateurs (54 avis).<\/div>\n          <div class=\"bd-quotes-label\">Retours utilisateurs<\/div>\n          <div class=\"bd-quotes\">\n            <div class=\"bd-quote\">\u00ab Super s\u00e9rum qui hydrate les peaux s\u00e8ches. Point n\u00e9gatif : il est un peu collant. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab S\u00e9rum que j&rsquo;affectionne pour son effet repulpant et sa protection contre les taches pigmentaires. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Appliqu\u00e9 le soir, il est parfait avant la cr\u00e8me nourrissante et le r\u00e9tinol. \u00bb<\/div>\n          <\/div>\n          <div class=\"bd-verdict\"><strong>Synth\u00e8se \u2014<\/strong> la base d&rsquo;avis la plus large de toute la s\u00e9lection (54 avis). Formule hydratante, apaisante et l\u00e9g\u00e8rement anti-pigmentaire. Option de premier choix pour les peaux s\u00e8ches \u00e0 sensibles cherchant un niacinamide polyvalent accessible en pharmacie. Le l\u00e9ger effet collant est le seul frein r\u00e9current.<\/div>\n        <\/div>\n\n        <div class=\"bd-product\">\n          <div class=\"bd-product-top\">\n            <div>\n              <span class=\"bd-product-brand\">The Ordinary<\/span>\n              <h3>Soothing &amp; Barrier Support Serum<\/h3>\n              <span class=\"bd-rating\"><span class=\"bd-stars\">\u2605\u2605\u2605\u2605\u00bd<\/span><span class=\"bd-score\">4,56\/5<\/span><span class=\"bd-count\">(18 avis BeautyDecoded \u00b7 5 %)<\/span><\/span>\n            <\/div>\n            <span class=\"bd-product-badge bd-badge-gold\">Compl\u00e9ment r\u00e9tinol<\/span>\n          <\/div>\n          <code class=\"bd-inci\"><strong>INCI (extrait) :<\/strong> AQUA, PROPANEDIOL, ISODECYL NEOPENTANOATE, PENTYLENE GLYCOL, NIACINAMIDE, HEXYLDECANOL, CETEARYL ALCOHOL, XYLITYLGLUCOSIDE, CETETH-20 PHOSPHATE, ETHYL LINOLEATE, ASIATICOSIDE, ASIATIC ACID, MADECASSIC ACID, NARINGENIN, CYANOCOBALAMIN, BISABOLOL, BRASSICA CAMPESTRIS STEROLS, SPHINGOLIPIDS, PHOSPHOLIPIDS, EPIGALLOCATECHIN GALLATYL GLUCOSIDE, TOCOPHEROL\u2026<\/code>\n          <p>Niacinamide \u00e0 5 % dans une formule <strong>exceptionnellement enrichie<\/strong> : centella asiatica, naring\u00e9nine, cyanocobalamine (vitamine B12), sphingolipides, phospholipides, st\u00e9rols et tocoph\u00e9rol. Con\u00e7ue pour renforcer la barri\u00e8re et apaiser les irritations \u2014 <em>compl\u00e9ment id\u00e9al lors de l&rsquo;introduction du r\u00e9tinol ou d&rsquo;AHA<\/em>.<\/p>\n          <div class=\"bd-sv bd-sv-ok\"><strong>\u2705 Verdict sensibilit\u00e9<\/strong> Excellente tol\u00e9rance. Formule sp\u00e9cifiquement orient\u00e9e vers l&rsquo;apaisement des peaux irrit\u00e9es ou fragilis\u00e9es.<\/div>\n          <div class=\"bd-quotes-label\">Retours utilisateurs<\/div>\n          <div class=\"bd-quotes\">\n            <div class=\"bd-quote\">\u00ab Je l&rsquo;utilise avant de mettre mon r\u00e9tinol 0,3 %, une heure avant. Il prot\u00e8ge la barri\u00e8re cutan\u00e9e. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Ce s\u00e9rum apaise la peau irrit\u00e9e par la tr\u00e9tino\u00efne et les AHA. La vitamine B12 soulage les d\u00e9mangeaisons. Un must. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Super s\u00e9rum. Il permet de bien pr\u00e9server la barri\u00e8re cutan\u00e9e. Je l&rsquo;utilise le soir avant le r\u00e9tinol, aucun effet n\u00e9gatif. \u00bb<\/div>\n          <\/div>\n          <div class=\"bd-verdict\"><strong>Synth\u00e8se \u2014<\/strong> la formule la plus compl\u00e8te sur l&rsquo;axe barri\u00e8re et apaisement. Usage en sandwich avec le r\u00e9tinol ou les AHA \u2014 une approche document\u00e9e pour r\u00e9duire l&rsquo;irritation sans compromettre l&rsquo;efficacit\u00e9 de l&rsquo;actif.<\/div>\n        <\/div>\n\n        <div class=\"bd-product\">\n          <div class=\"bd-product-top\">\n            <div>\n              <span class=\"bd-product-brand\">Beauty of Joseon<\/span>\n              <h3>Glow Serum Propolis + Niacinamide<\/h3>\n              <span class=\"bd-rating\"><span class=\"bd-stars\">\u2605\u2605\u2605\u2605\u2605<\/span><span class=\"bd-score\">4,80\/5<\/span><span class=\"bd-count\">(10 avis BeautyDecoded \u00b7 2 %)<\/span><\/span>\n            <\/div>\n            <span class=\"bd-product-badge bd-badge-silver\">K-beauty \u2014 propolis + niacinamide<\/span>\n          <\/div>\n          <code class=\"bd-inci\"><strong>INCI (extrait) :<\/strong> PROPOLIS EXTRACT, DIPROPYLENE GLYCOL, GLYCERIN, BUTYLENE GLYCOL, AQUA, NIACINAMIDE, 1,2-HEXANEDIOL, MELIA AZADIRACHTA FLOWER EXTRACT, SODIUM HYALURONATE, CURCUMA LONGA ROOT EXTRACT, THEOBROMA CACAO SEED EXTRACT, MELALEUCA ALTERNIFOLIA LEAF EXTRACT, CENTELLA ASIATICA EXTRACT, CALOPHYLLUM INOPHYLLUM SEED OIL, BETAINE SALICYLATE, TOCOPHEROL\u2026<\/code>\n          <p><strong>Propolis en 1re position INCI<\/strong> \u2014 r\u00e9sine d&rsquo;abeille aux propri\u00e9t\u00e9s antibact\u00e9riennes et cicatrisantes \u2014 associ\u00e9e au niacinamide, centella asiatica, curcumine et huile de calophyllum (tamanu).<\/p>\n          <div class=\"bd-sv bd-sv-ok\"><strong>\u2705 Verdict sensibilit\u00e9<\/strong> Tol\u00e9rance favorable. La propolis et le centella asiatica apportent des propri\u00e9t\u00e9s apaisantes compl\u00e9mentaires au niacinamide.<\/div>\n          <div class=\"bd-quotes-label\">Retours utilisateurs<\/div>\n          <div class=\"bd-quotes\">\n            <div class=\"bd-quote\">\u00ab Je sens ma peau toute douce et hydrat\u00e9e. Mes imperfections partent petit \u00e0 petit. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab S\u00e9rum doux qui p\u00e9n\u00e8tre bien. Laisse la peau confortable. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Dommage qu&rsquo;il ne soit pas plus concentr\u00e9 en niacinamide \u2014 je suis oblig\u00e9 d&rsquo;ajouter un s\u00e9rum niacinamide 10 % \u00e0 ma routine. \u00bb<\/div>\n          <\/div>\n          <div class=\"bd-verdict\"><strong>Synth\u00e8se \u2014<\/strong> formule K-beauty bien construite. Option pertinente pour les peaux acn\u00e9iques cherchant un s\u00e9rum polyvalent doux.<\/div>\n        <\/div>\n\n        <div class=\"bd-product\">\n          <div class=\"bd-product-top\">\n            <div>\n              <span class=\"bd-product-brand\">Vichy<\/span>\n              <h3>MINERAL 89 Probiotic Fractions<\/h3>\n              <span class=\"bd-rating\"><span class=\"bd-stars\">\u2605\u2605\u2605\u2605\u00bd<\/span><span class=\"bd-score\">4,71\/5<\/span><span class=\"bd-count\">(7 avis BeautyDecoded)<\/span><\/span>\n            <\/div>\n            <span class=\"bd-product-badge bd-badge-blue\">Microbiome + niacinamide<\/span>\n          <\/div>\n          <code class=\"bd-inci\"><strong>INCI (extrait) :<\/strong> AQUA, NIACINAMIDE, PROPANEDIOL, PEG\/PPG\/POLYBUTYLENE GLYCOL-8\/5\/3 GLYCERIN, GLYCERIN, METHYL GLUCETH-20, PEG-60 HYDROGENATED CASTOR OIL, CARBOMER, SODIUM HYALURONATE, TOCOPHEROL, HYDROXYACETOPHENONE, VITREOSCILLA FERMENT, CAPRYLYL GLYCOL, BIOSACCHARIDE GUM-1, MALTODEXTRIN, BUTYLENE GLYCOL<\/code>\n          <p>Niacinamide associ\u00e9 \u00e0 un <strong>ferment de <em>Vitreoscilla<\/em><\/strong> document\u00e9 pour son action sur le microbiome cutan\u00e9, de l&rsquo;acide hyaluronique et du tocoph\u00e9rol.<\/p>\n          <div class=\"bd-sv bd-sv-ok\"><strong>\u2705 Verdict sensibilit\u00e9<\/strong> Excellente tol\u00e9rance. Deux ans d&rsquo;utilisation sans r\u00e9action chez les utilisateurs r\u00e9guliers selon les retours disponibles.<\/div>\n          <div class=\"bd-quotes-label\">Retours utilisateurs<\/div>\n          <div class=\"bd-quotes\">\n            <div class=\"bd-quote\">\u00ab Bon hydratant \u00e0 base de probiotiques et de niacinamide pour r\u00e9\u00e9quilibrer la barri\u00e8re cutan\u00e9e. Je l&rsquo;utilise depuis deux ans. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Tr\u00e8s bon hydratant. Aussi bien que l&rsquo;ampoule B3 de SVR. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Hydrate bien et r\u00e9duit les rougeurs. \u00bb<\/div>\n          <\/div>\n          <div class=\"bd-verdict\"><strong>Synth\u00e8se \u2014<\/strong> approche microbiome + niacinamide pertinente pour les profils \u00e0 barri\u00e8re fragilis\u00e9e. Option pertinente en routine de fond pour les peaux sensibles r\u00e9actives.<\/div>\n        <\/div>\n\n        <div class=\"bd-product\">\n          <div class=\"bd-product-top\">\n            <div>\n              <span class=\"bd-product-brand\">Av\u00e8ne<\/span>\n              <h3>Hyaluron Activ B3 S\u00e9rum<\/h3>\n              <span class=\"bd-rating\"><span class=\"bd-stars\">\u2605\u2605\u2605\u2605\u2606<\/span><span class=\"bd-score\">4,20\/5<\/span><span class=\"bd-count\">(5 avis BeautyDecoded \u00b7 6 %)<\/span><\/span>\n            <\/div>\n            <span class=\"bd-product-badge bd-badge-neutral\">Minimaliste \u2014 peaux sensibles<\/span>\n          <\/div>\n          <code class=\"bd-inci\"><strong>INCI complet :<\/strong> AQUA, NIACINAMIDE, GLYCERIN, PENTYLENE GLYCOL, SODIUM HYALURONATE, ADENOSINE, CITRIC ACID, SODIUM BENZOATE<\/code>\n          <p><strong>L&rsquo;INCI le plus court de la s\u00e9lection<\/strong> : niacinamide, glyc\u00e9rine, acide hyaluronique, ad\u00e9nosine. Formule ultra-\u00e9pur\u00e9e Av\u00e8ne. Sans parfum.<\/p>\n          <div class=\"bd-sv bd-sv-ok\"><strong>\u2705 Verdict sensibilit\u00e9<\/strong> Excellente tol\u00e9rance. La formule la plus simple et la plus s\u00fbre de la s\u00e9lection.<\/div>\n          <div class=\"bd-quotes-label\">Retours utilisateurs<\/div>\n          <div class=\"bd-quotes\">\n            <div class=\"bd-quote\">\u00ab Hydrate super bien \u2014 incontournable pour moi. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Tr\u00e8s agr\u00e9able et hydratant, m\u00eame repulpant si appliqu\u00e9 sur peau humide. \u00bb<\/div>\n            <div class=\"bd-quote\">\u00ab Il existe des s\u00e9rums plus efficaces pour les propri\u00e9t\u00e9s anti-\u00e2ge. Mais pour l&rsquo;hydratation, il fait le travail. \u00bb<\/div>\n          <\/div>\n          <div class=\"bd-verdict\"><strong>Synth\u00e8se \u2014<\/strong> formule ultra-minimaliste, parfaitement tol\u00e9r\u00e9e, ax\u00e9e hydratation et barri\u00e8re. Option pour les profils tr\u00e8s sensibles cherchant un niacinamide sans aucun ingr\u00e9dient superflu.<\/div>\n        <\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- ============ ASSOCIATIONS ============ -->\n  <section class=\"bd-section\">\n    <div class=\"bd-wrap\">\n      <div class=\"bd-section-label\">Associations<\/div>\n      <h2>Ce qui <em>fonctionne<\/em> \u2014 et ce qu&rsquo;il faut surveiller.<\/h2>\n      <p class=\"bd-lead\">Le niacinamide est l&rsquo;un des actifs les plus faciles \u00e0 associer. Sa neutralit\u00e9 formulative en fait un pilier de routine \u00e0 superposer avec la quasi-totalit\u00e9 des autres actifs.<\/p>\n\n      <h3>Associations b\u00e9n\u00e9fiques<\/h3>\n      <div class=\"bd-assoc-grid\">\n        <div class=\"bd-assoc\"><strong>Niacinamide + Zinc PCA<\/strong><p>Synergie s\u00e9bor\u00e9gulatrice document\u00e9e \u2014 la majorit\u00e9 des formules 10 % int\u00e8grent d\u00e9j\u00e0 cette combinaison.<\/p><\/div>\n        <div class=\"bd-assoc\"><strong>Niacinamide + Acide tranexamique<\/strong><p>Combinaison anti-pigmentaire par voies compl\u00e9mentaires \u2014 la plus efficace disponible sans prescription pour les taches post-inflammatoires.<\/p><\/div>\n        <div class=\"bd-assoc\"><strong>Niacinamide + R\u00e9tinol<\/strong><p>Le niacinamide renforce la barri\u00e8re et r\u00e9duit l&rsquo;irritation induite par le r\u00e9tinol. Association valid\u00e9e et recommand\u00e9e en phase d&rsquo;introduction.<\/p><\/div>\n        <div class=\"bd-assoc\"><strong>Niacinamide + Vitamine C<\/strong><p>Compatible. L&rsquo;incompatibilit\u00e9 historiquement cit\u00e9e n&rsquo;est pas cliniquement significative dans les formules actuelles \u00e0 pH stabilis\u00e9.<\/p><\/div>\n        <div class=\"bd-assoc\"><strong>Niacinamide + Acide az\u00e9la\u00efque<\/strong><p>Synergie document\u00e9e sur la r\u00e9gulation du s\u00e9bum et la correction pigmentaire.<\/p><\/div>\n      <\/div>\n\n      <h3>Associations \u00e0 surveiller<\/h3>\n      <div class=\"bd-assoc-grid\">\n        <div class=\"bd-assoc bd-assoc-bad\"><strong>Niacinamide + Peptides de cuivre<\/strong><p>Le niacinamide peut ch\u00e9later les ions cuivre et r\u00e9duire l&rsquo;efficacit\u00e9 des peptides de cuivre. \u00c0 s\u00e9parer dans la routine si les deux actifs sont pr\u00e9sents.<\/p><\/div>\n        <div class=\"bd-assoc bd-assoc-bad\"><strong>Niacinamide &gt; 10 %<\/strong><p>Les concentrations sup\u00e9rieures \u00e0 10 % peuvent provoquer un flush (rougissement transitoire). Rester \u00e0 10 % maximum en usage quotidien \u2014 pas de b\u00e9n\u00e9fice additionnel.<\/p><\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- ============ FAQ ============ -->\n  <section class=\"bd-section\">\n    <div class=\"bd-wrap\">\n      <div class=\"bd-section-label\">Questions fr\u00e9quentes<\/div>\n      <h2>Tout ce que vous voulez <em>vraiment savoir<\/em>.<\/h2>\n\n      <div class=\"bd-faq-list\">\n        <details class=\"bd-faq-item\">\n          <summary>Quelle concentration de niacinamide choisir ?<\/summary>\n          <div class=\"bd-faq-answer\">10 % pour un effet s\u00e9bor\u00e9gulateur et anti-imperfections maximal. 5\u20136 % pour le renforcement de la barri\u00e8re et l&rsquo;apaisement. En dessous de 2 %, l&rsquo;effet est principalement hydratant. Il n&rsquo;y a pas de b\u00e9n\u00e9fice document\u00e9 \u00e0 d\u00e9passer 10 %.<\/div>\n        <\/details>\n        <details class=\"bd-faq-item\">\n          <summary>Le niacinamide est-il compatible avec la grossesse ?<\/summary>\n          <div class=\"bd-faq-answer\">Oui \u2014 le niacinamide est l&rsquo;un des actifs les mieux tol\u00e9r\u00e9s pendant la grossesse et l&rsquo;allaitement. Consulter n\u00e9anmoins votre m\u00e9decin avant toute introduction d&rsquo;actif dans ce contexte.<\/div>\n        <\/details>\n        <details class=\"bd-faq-item\">\n          <summary>Peut-on utiliser le niacinamide matin et soir ?<\/summary>\n          <div class=\"bd-faq-answer\">Oui \u2014 le niacinamide n&rsquo;est pas photosensibilisant et ne se d\u00e9grade pas \u00e0 la lumi\u00e8re. Il peut \u00eatre utilis\u00e9 matin et soir sans restriction de moment d&rsquo;application.<\/div>\n        <\/details>\n        <details class=\"bd-faq-item\">\n          <summary>\u00c0 quelle vitesse voit-on les r\u00e9sultats ?<\/summary>\n          <div class=\"bd-faq-answer\">Les effets sur la r\u00e9gulation du s\u00e9bum apparaissent apr\u00e8s 4 \u00e0 6 semaines. Les effets sur les pores et les taches l\u00e9g\u00e8res n\u00e9cessitent 8 \u00e0 12 semaines d&rsquo;utilisation r\u00e9guli\u00e8re. L&rsquo;action sur la barri\u00e8re cutan\u00e9e est visible plus rapidement (2 \u00e0 4 semaines). Les effets anti-\u00e2ge (fermet\u00e9, rides) requi\u00e8rent au moins 8 \u00e0 12 semaines.<\/div>\n        <\/details>\n        <details class=\"bd-faq-item\">\n          <summary>Pourquoi ma peau rougit-elle apr\u00e8s application ?<\/summary>\n          <div class=\"bd-faq-answer\">Un rougissement transitoire (flush) peut survenir, principalement \u00e0 des concentrations \u00e9lev\u00e9es (10 % et plus). Il est souvent li\u00e9 \u00e0 une conversion partielle du niacinamide en niacine plut\u00f4t qu&rsquo;au niacinamide lui-m\u00eame. Si le ph\u00e9nom\u00e8ne persiste, r\u00e9duire la concentration ou la fr\u00e9quence d&rsquo;application.<\/div>\n        <\/details>\n        <details class=\"bd-faq-item\">\n          <summary>Niacinamide et vitamine C \u2014 vraiment incompatibles ?<\/summary>\n          <div class=\"bd-faq-answer\">Non. L&rsquo;incompatibilit\u00e9 historiquement cit\u00e9e repose sur des \u00e9tudes anciennes r\u00e9alis\u00e9es \u00e0 des pH et temp\u00e9ratures extr\u00eames non reproduites dans les conditions d&rsquo;usage. Les formules cosm\u00e9tiques actuelles \u00e0 pH stabilis\u00e9 combinent les deux actifs sans perte d&rsquo;efficacit\u00e9.<\/div>\n        <\/details>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- ============ VIDEOS YOUTUBE ============ -->\n  <section class=\"bd-videos\">\n    <div class=\"bd-wrap\">\n      <div class=\"bd-section-label\">Pour aller plus loin<\/div>\n      <h2 style=\"font-family: var(--bd-serif); font-weight: 400; font-size: clamp(30px, 4vw, 46px); line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 16px; color: var(--bd-ink);\">Les vid\u00e9os <em style=\"font-style: italic; color: var(--bd-accent);\">du Dr David<\/em>.<\/h2>\n      <p style=\"font-size: 18px; line-height: 1.55; color: var(--bd-soft); max-width: 58ch; margin-bottom: 0;\">Approfondissez le sujet en vid\u00e9o : comment le niacinamide agit r\u00e9ellement sur la peau, et comment l&rsquo;int\u00e9grer dans votre routine selon votre profil.<\/p>\n      <div class=\"bd-videos-grid\">\n        <div class=\"bd-video-embed\"><iframe src=\"https:\/\/www.youtube.com\/embed\/p7VcneY04No\" title=\"Niacinamide \u2014 Dr Sylvain David\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen loading=\"lazy\"><\/iframe><\/div>\n        <div class=\"bd-video-embed\"><iframe src=\"https:\/\/www.youtube.com\/embed\/P6zCNiKek2w\" title=\"Niacinamide \u2014 Dr Sylvain David\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen loading=\"lazy\"><\/iframe><\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- ============ AUTHOR (dark) ============ -->\n  <section class=\"bd-author\">\n    <div class=\"bd-wrap\">\n      <div class=\"bd-section-label\">Qui suis-je<\/div>\n      <h2>Chirurgien plasticien et esth\u00e9tique. <em>Fondateur de BeautyDecoded.<\/em><\/h2>\n      <div class=\"bd-author-meta\">\n        <div><strong>15 ans<\/strong>d&rsquo;expertise clinique<\/div>\n        <div><strong>200 000+<\/strong>abonn\u00e9s YouTube<\/div>\n        <div><strong>70 000+<\/strong>followers Instagram &amp; TikTok<\/div>\n      <\/div>\n      <p class=\"bd-author-quote\">\u00ab Ce dossier est la synth\u00e8se de ce que j&rsquo;aurais aim\u00e9 expliquer \u00e0 chaque patiente avant qu&rsquo;elle n&rsquo;ach\u00e8te son premier s\u00e9rum. \u00bb<\/p>\n    <\/div>\n  <\/section>\n\n  <!-- ============ FINAL CTA ============ -->\n  <section class=\"bd-final\">\n    <div class=\"bd-wrap\">\n      <div class=\"bd-final-inner\">\n        <div class=\"bd-section-label\">Votre diagnostic personnalis\u00e9<\/div>\n        <h2>Votre s\u00e9rum est-il <em>adapt\u00e9 \u00e0 votre peau<\/em> ?<\/h2>\n        <p>Scannez-le dans l&rsquo;application BeautyDecoded pour obtenir une note personnalis\u00e9e sur 100, fond\u00e9e sur votre type de peau et vos probl\u00e9matiques \u2014 sans marketing, sans compromis.<\/p>\n        <div class=\"bd-cta-wrap\" style=\"justify-content: center;\">\n          <a href=\"https:\/\/beautydecoded.go.link\/88eZ2\" class=\"bd-cta\" target=\"_blank\" rel=\"noopener\">Analyser mon s\u00e9rum dans l&rsquo;app<\/a>\n        <\/div>\n        <div class=\"bd-cta-meta\" style=\"margin-top: 20px;\"><span>Gratuit \u00e0 l&rsquo;essai<\/span> \u00b7 iOS &amp; Android<\/div>\n      <\/div>\n    <\/div>\n  <\/section>\n\n  <!-- ============ SIGNATURE ============ -->\n  <section class=\"bd-sig\">\n    <strong>Dr Sylvain David<\/strong>\n    <span>Chirurgien plasticien et esth\u00e9tique \u00b7 Fondateur de BeautyDecoded<\/span>\n  <\/section>\n\n  <!-- ============ DISCLAIMER ============ -->\n  <section class=\"bd-disclaimer\">\n    <p>Informations \u00e0 vis\u00e9e p\u00e9dagogique uniquement, ne remplacent pas une consultation m\u00e9dicale. BeautyDecoded est une application d&rsquo;analyse par intelligence artificielle et ne constitue pas un outil de diagnostic m\u00e9dical. Les r\u00e9sultats pr\u00e9sent\u00e9s d\u00e9pendent de l&rsquo;assiduit\u00e9 et du type de peau de chacun.<\/p>\n  <\/section>\n\n<\/div>\n<!-- ============ FIN BD-NIACINAMIDE ============ -->\n\n","protected":false},"excerpt":{"rendered":"<p>Dossier - Cosmetic actives Niacinamide: the complete dossier on the 14 serums on the market. The most versatile active ingredient in cosmetics - sebum, spots, barrier, redness, anti-aging. A routine active ingredient, not a treatment active ingredient. Fourteen serums analyzed, four areas of action, 265 reviews compiled. Author Dr Sylvain David Expertise Independent cosmetic analysis Serums analyzed...<\/p>","protected":false},"author":3,"featured_media":0,"parent":326,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_kad_post_transparent":"enable","_kad_post_title":"hide","_kad_post_layout":"fullwidth","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"class_list":["post-5404","page","type-page","status-publish","hentry"],"acf":[],"taxonomy_info":[],"featured_image_src_large":false,"author_info":{"display_name":"Beautydecoded","author_link":"https:\/\/www.beautydecoded.com\/en\/author\/sylvaindavid\/"},"comment_info":0,"_links":{"self":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/pages\/5404","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/comments?post=5404"}],"version-history":[{"count":38,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/pages\/5404\/revisions"}],"predecessor-version":[{"id":73941,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/pages\/5404\/revisions\/73941"}],"up":[{"embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/pages\/326"}],"wp:attachment":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/media?parent=5404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}