{"id":326,"date":"2022-01-21T16:31:15","date_gmt":"2022-01-21T15:31:15","guid":{"rendered":"https:\/\/www.beautydecoded.com\/?page_id=326"},"modified":"2026-05-30T22:05:45","modified_gmt":"2026-05-30T20:05:45","slug":"niacinamide","status":"publish","type":"page","link":"https:\/\/www.beautydecoded.com\/en\/niacinamide\/","title":{"rendered":"Niacinamide: The multi-functional vitamin"},"content":{"rendered":"<div class=\"bd-brand\"><style>\n.bd-brand .bd-hub-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-top:8px}\n.bd-brand .bd-hub-card{display:flex;flex-direction:column;gap:8px;padding:24px 26px;background:rgba(255,255,255,0.6);border:1px solid rgba(255,255,255,0.95);border-radius:22px;backdrop-filter:blur(20px);text-decoration:none;transition:transform 0.25s ease,box-shadow 0.25s ease;box-shadow:0 10px 40px rgba(42,36,56,0.04)}\n.bd-brand .bd-hub-card:hover{transform:translateY(-4px);box-shadow:0 22px 55px rgba(42,36,56,0.1)}\n.bd-brand .bd-hub-card-tag{font-family:var(--bd-sans);font-size:11px;font-weight:600;color:var(--bd-accent);letter-spacing:0.06em;text-transform:uppercase}\n.bd-brand .bd-hub-card h3{font-family:var(--bd-serif);font-weight:500;font-size:20px;line-height:1.2;color:var(--bd-ink);letter-spacing:-0.01em;margin:0}\n.bd-brand .bd-hub-card-arrow{font-family:var(--bd-serif);font-style:italic;font-size:14px;color:var(--bd-accent);margin-top:auto;padding-top:4px}\n.bd-brand .bd-video-wrap{position:relative;width:100%;aspect-ratio:16\/9;border-radius:22px;overflow:hidden;box-shadow:0 22px 55px rgba(42,36,56,0.12);margin-top:8px}\n.bd-brand .bd-video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}\n.bd-brand .bd-prob-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:8px}\n.bd-brand .bd-prob-card{padding:26px 28px;background:rgba(255,255,255,0.6);border:1px solid rgba(255,255,255,0.95);border-radius:22px;backdrop-filter:blur(20px);box-shadow:0 10px 40px rgba(42,36,56,0.04)}\n.bd-brand .bd-prob-card .bd-prob-num{font-family:var(--bd-serif);font-style:italic;font-size:26px;color:var(--bd-accent);line-height:1}\n.bd-brand .bd-prob-card h4{font-family:var(--bd-serif);font-weight:500;font-size:20px;line-height:1.2;color:var(--bd-ink);letter-spacing:-0.01em;margin:10px 0 8px}\n.bd-brand .bd-prob-card p{font-family:var(--bd-sans);font-size:14.5px;line-height:1.6;color:var(--bd-ink-soft,#5a5560);margin:0}\n.bd-brand>p:empty{display:none!important}\n.bd-brand>p{margin:0!important}\nhtml body .bd-brand .bd-section{padding:48px 0 !important}\nhtml body .bd-brand .bd-hero{padding-bottom:8px !important}\nhtml body .bd-brand .bd-hero .bd-hero-meta{margin-bottom:0 !important}\nhtml body .bd-brand .bd-dark{margin-top:24px !important;margin-bottom:24px !important}\nhtml body .bd-brand .bd-final{padding-top:48px !important;padding-bottom:48px !important;margin-top:0 !important}\n@media (max-width:900px){html body .bd-brand .bd-section{padding:36px 0 !important}html body .bd-brand .bd-hero{padding-top:56px !important}html body .bd-brand .bd-eyebrow{margin-top:8px}}\n<\/style><section class=\"bd-hero\" style=\"padding-bottom:8px !important;padding-top:56px !important\"><div class=\"bd-wrap\"><span class=\"bd-eyebrow\"><a href=\"https:\/\/www.beautydecoded.com\/en\/ingredient\/\" style=\"color:inherit;text-decoration:none\">Guide skincare - Ingredients<\/a><\/span><h1>Niacinamide (vitamin B3) - <em>benefits and instructions for use<\/em> according to a doctor and analyses by BeautyDecoders.<\/h1><p class=\"bd-hero-sub\">Niacinamide, or vitamin B3, is one of the most versatile and well-tolerated active ingredients in cosmetics. It regulates sebum, reduces blemishes and hyperpigmentation, strengthens the skin barrier by stimulating ceramides, soothes acne and has an anti-aging action. Stable, pH-neutral and suitable for use even during pregnancy, it is suitable for all skin types and can be easily combined with retinol and vitamin C.<\/p><div class=\"bd-hero-meta\"><div class=\"bd-hero-meta-item\"><span>Family<\/span><strong>Vitamin B3 (water-soluble)<\/strong><\/div><div class=\"bd-hero-meta-item\"><span>Method<\/span><strong>Verdict Sensitivity - Dr David's rule<\/strong><\/div><div class=\"bd-hero-meta-item\"><span>Selection<\/span><strong>3 serums rated by BeautyDecoders<\/strong><\/div><\/div><\/div><\/section><section class=\"bd-section\"><div class=\"bd-wrap\"><span class=\"bd-section-label\">On video<\/span><h2>Assets <em>the most versatile<\/em><\/h2><p class=\"bd-lead\">Niacinamide, or vitamin B3, is a very interesting cosmetic ingredient, particularly useful as a complement to the two other leading active ingredients, i.e. <a href=\"https:\/\/www.beautydecoded.com\/en\/retinol\/\">retinol<\/a> and the <a href=\"https:\/\/www.beautydecoded.com\/en\/vitamin-c\/\">vitamin C<\/a>. Versatile and gentle, it deserves a place in almost every routine.<\/p><div class=\"bd-video-wrap\"><iframe src=\"https:\/\/www.youtube.com\/embed\/P6zCNiKek2w\" title=\"Niacinamide explained - BeautyDecoded\" loading=\"lazy\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen><\/iframe><\/div><\/div><\/section><section class=\"bd-section\"><div class=\"bd-wrap\"><span class=\"bd-section-label\">The benefits<\/span><h2>What niacinamide <em>made for the skin<\/em><\/h2><div class=\"bd-prob-grid\"><div class=\"bd-prob-card\"><div class=\"bd-prob-num\">01<\/div><h4>Anti-aging action<\/h4><p>It stimulates collagen production, reduces wrinkles and acts as a shield against collagen destruction by UV rays. Studies use 4 to 5 %, for 8 to 12 weeks.<\/p><\/div><div class=\"bd-prob-card\"><div class=\"bd-prob-num\">02<\/div><h4>Anti-stain action<\/h4><p>It reduces melanin transfer to the surface: effective on solar hyperpigmentation, post-acne and melasma. At 2-5 % for 8 weeks, it significantly lightens, with less irritation than hydroquinone.<\/p><\/div><div class=\"bd-prob-card\"><div class=\"bd-prob-num\">03<\/div><h4>Skin barrier<\/h4><p>At 2 %, it increases the synthesis of ceramides, cholesterol and fatty acids: reinforced barrier, less water loss, better tolerance to other active ingredients. Valuable on dry, redness-prone skin.<\/p><\/div><div class=\"bd-prob-card\"><div class=\"bd-prob-num\">04<\/div><h4>Anti-acne action<\/h4><p>It regulates sebum and calms inflammation. At 4 % for 8 weeks, 82 % improvement, slightly better than clindamycin gel 1 % - without creating bacterial resistance. Ideal for oily skin.<\/p><\/div><\/div><div class=\"bd-alert bd-alert-info\"><span class=\"bd-alert-icon\">\u2713<\/span><div>In a nutshell: niacinamide is anti-acne, anti-inflammatory, anti-spot, anti-aging and reinforces the skin barrier. This explains the popularity of this active ingredient.<\/div><\/div><\/div><\/section><!-- ===== S\u00c9LECTION PRODUITS ===== --><section class=\"bd-section\"><div class=\"bd-wrap\"><span class=\"bd-section-label\">The selection<\/span><h2>Which niacinamide serums <em>choose<\/em> ?<\/h2><p class=\"bd-lead\">Here are three representative niacinamide serums, with BeautyDecoded scores and user feedback. For a full comparison, see the detailed selection of <a href=\"https:\/\/www.beautydecoded.com\/en\/niacinamide\/best-serum\/\">best niacinamide serums<\/a>.<\/p><div class=\"bd-alert bd-alert-info\"><span class=\"bd-alert-icon\">\u26a0<\/span><div>The ratings and review excerpts come from users of the BeautyDecoded application. These reviews are not verified. The Sensitivity Verdict applies the Dr David Rule: a sensitive skin score greater than or equal to 0 indicates a product suitable for sensitive skin, negative an increasing caution.<\/div><\/div><!-- Produit 1 : TO Niacinamide 10% --><div class=\"bd-product\"><div class=\"bd-product-top\"><div><span class=\"bd-product-cat\">Niacinamide 10% + Zinc 1% - The Ordinary<\/span><h3>The Ordinary Niacinamide 10% + Zinc 1%<\/h3><div class=\"bd-product-meta\"><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 reviews - very solid base)<\/span><\/span><\/div><\/div><span class=\"bd-product-badge bd-badge-top\">Imperfections reference - small price<\/span><\/div><p>The benchmark niacinamide serum: 10 % niacinamide and 1 % zinc, at a low price, the most highly reviewed serum in the database (82 reviews). Recommended for blemished skin, as a complement to retinol and salicylic acid. Sensitive skin score <strong>0 - suitable<\/strong>, The high concentration may sting even the most reactive skin. Smoothes the skin's texture and tightens pores over time, according to numerous feedbacks. Disappointed reviews often claimed a rapid anti-acne action, whereas in fact it works slowly.<\/p><div class=\"bd-scores-label\">Scores BeautyDecoded<\/div><div class=\"bd-scores\"><div class=\"bd-score-item bd-mid\"><div class=\"bd-score-item-label\">Dry skin<\/div><div class=\"bd-score-item-value\">70<\/div><\/div><div class=\"bd-score-item bd-mid\"><div class=\"bd-score-item-label\">Oily skin<\/div><div class=\"bd-score-item-value\">70<\/div><\/div><div class=\"bd-score-item bd-mid\"><div class=\"bd-score-item-label\">Normal to oily<\/div><div class=\"bd-score-item-value\">70<\/div><\/div><div class=\"bd-score-item bd-mid\"><div class=\"bd-score-item-label\">Sensitive skin<\/div><div class=\"bd-score-item-value\">0<\/div><\/div><div class=\"bd-score-item bd-high\"><div class=\"bd-score-item-label\">Imperfections<\/div><div class=\"bd-score-item-value\">79,9<\/div><\/div><div class=\"bd-score-item bd-low\"><div class=\"bd-score-item-label\">Stains<\/div><div class=\"bd-score-item-value\">15,3<\/div><\/div><\/div><div class=\"bd-sv bd-sv-ok\"><strong>\u2713 Verdict sensitivity<\/strong> Suitable for sensitive skin (score: 0). High concentration: may sting highly reactive skin.<\/div><div class=\"bd-quotes-label\">User feedback (82 reviews - representative extracts)<\/div><div class=\"bd-quotes\"><div class=\"bd-quote\"><span class=\"bd-quote-rating\">\u2605\u2605\u2605\u2605\u2605<\/span>\u00abTwo years of use, my pores are much less visible and my skin is smooth.\u00bb<\/div><div class=\"bd-quote\"><span class=\"bd-quote-rating\">\u2605\u2605\u2605\u2605\u2605<\/span>\u00abFrankly it's great, excellent value for money.\u00bb<\/div><div class=\"bd-quote\"><span class=\"bd-quote-rating\">\u2605\u2605\u2605\u2605<\/span>\u00abI hated it at first, then embraced it as I properly integrated it into my routine.\u00bb<\/div><div class=\"bd-quote\"><span class=\"bd-quote-rating\">\u2605\u2605\u2605<\/span>\u00abI haven't seen any effect on my acne: to be seen as a background treatment, not an express treatment.\u00bb<\/div><\/div><div class=\"bd-verdict\"><strong>Verdict -<\/strong> Niacinamide 10 % + zinc reference at a low price (blemishes 79.9), the most reviewed of the base. Suitable (0) but concentrated: slow-acting, background treatment. 4.43\/5 out of 82 reviews.<\/div><\/div><!-- Produit 2 : SVR B3 --><div class=\"bd-product\"><div class=\"bd-product-top\"><div><span class=\"bd-product-cat\">Niacinamide + HA - Laboratoire SVR<\/span><h3>SVR Ampoule Hydra Vitamin B3<\/h3><div class=\"bd-product-meta\"><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 reviews - very solid base)<\/span><\/span><\/div><\/div><span class=\"bd-product-badge bd-badge-top\">Moisturizer &amp; protector - evening base<\/span><\/div><p>A French parapharmacy serum combining niacinamide and hyaluronic acid to moisturize, plump and protect against pigmentation spots. Sensitive skin score <strong>-0.5 - slight caution<\/strong>, but well tolerated. Perfect in the evening before the nourishing cream and retinol, according to feedback; texture a little thick and slightly sticky for some, but appreciated by most, even on combination skin.<\/p><div class=\"bd-scores-label\">Scores BeautyDecoded<\/div><div class=\"bd-scores\"><div class=\"bd-score-item bd-high\"><div class=\"bd-score-item-label\">Dry skin<\/div><div class=\"bd-score-item-value\">77<\/div><\/div><div class=\"bd-score-item bd-high\"><div class=\"bd-score-item-label\">Oily skin<\/div><div class=\"bd-score-item-value\">84<\/div><\/div><div class=\"bd-score-item bd-high\"><div class=\"bd-score-item-label\">Normal to oily<\/div><div class=\"bd-score-item-value\">84<\/div><\/div><div class=\"bd-score-item bd-mid\"><div class=\"bd-score-item-label\">Sensitive skin<\/div><div class=\"bd-score-item-value\">-0,5<\/div><\/div><div class=\"bd-score-item bd-mid\"><div class=\"bd-score-item-label\">Imperfections<\/div><div class=\"bd-score-item-value\">59,5<\/div><\/div><div class=\"bd-score-item bd-mid\"><div class=\"bd-score-item-label\">Stains<\/div><div class=\"bd-score-item-value\">66,3<\/div><\/div><\/div><div class=\"bd-sv bd-sv-caution\"><strong>\u26a0 Sensitivity verdict<\/strong> Slight caution (score: -0.5). Well tolerated in practice.<\/div><div class=\"bd-quotes-label\">User feedback (54 reviews - representative extracts)<\/div><div class=\"bd-quotes\"><div class=\"bd-quote\"><span class=\"bd-quote-rating\">\u2605\u2605\u2605\u2605\u2605<\/span>\u00abPlumping effect and protects against pigmentation spots, a serum I love.\u00bb<\/div><div class=\"bd-quote\"><span class=\"bd-quote-rating\">\u2605\u2605\u2605\u2605\u2605<\/span>\u00abPerfect applied in the evening before the nourishing cream and retinol.\u00bb<\/div><div class=\"bd-quote\"><span class=\"bd-quote-rating\">\u2605\u2605\u2605\u2605<\/span>\u00abVery moisturizing for dry skin, only downside it remains a bit sticky.\u00bb<\/div><div class=\"bd-quote\"><span class=\"bd-quote-rating\">\u2605\u2605\u2605\u2605<\/span>\u00abTexture a little thick but I really appreciate it despite my combination skin.\u00bb<\/div><\/div><div class=\"bd-verdict\"><strong>Verdict -<\/strong> Niacinamide + hyaluronic acid moisturizes, plumps up and protects spots. Slightly cautious (-0.5) but well tolerated, evening base before cream and retinol. 4.44\/5 out of 54 reviews.<\/div><\/div><!-- Produit 3 : Aroma-Zone --><div class=\"bd-product\"><div class=\"bd-product-top\"><div><span class=\"bd-product-cat\">Niacinamide 10% + copper - Aroma-Zone<\/span><h3>Aroma-Zone Niacinamide Serum 10% + Copper<\/h3><div class=\"bd-product-meta\"><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\">(24 reviews - solid base)<\/span><\/span><\/div><\/div><span class=\"bd-product-badge bd-badge-mixed\">Blemish-oriented - refillable<\/span><\/div><p>Serum concentrated at 10 % of niacinamide and copper, the best oriented selection imperfections (score <strong>81,6<\/strong>), good value and refillable. Sensitive skin score <strong>-1.0 - slight caution<\/strong>. Diminishes blemishes and refines skin texture according to feedback; some users found no effect on blemishes or tolerated it poorly, a reminder that response to niacinamide varies from skin to skin.<\/p><div class=\"bd-scores-label\">Scores BeautyDecoded<\/div><div class=\"bd-scores\"><div class=\"bd-score-item bd-mid\"><div class=\"bd-score-item-label\">Dry skin<\/div><div class=\"bd-score-item-value\">74,2<\/div><\/div><div class=\"bd-score-item bd-high\"><div class=\"bd-score-item-label\">Oily skin<\/div><div class=\"bd-score-item-value\">78,4<\/div><\/div><div class=\"bd-score-item bd-high\"><div class=\"bd-score-item-label\">Normal to oily<\/div><div class=\"bd-score-item-value\">78,4<\/div><\/div><div class=\"bd-score-item bd-mid\"><div class=\"bd-score-item-label\">Sensitive skin<\/div><div class=\"bd-score-item-value\">-1<\/div><\/div><div class=\"bd-score-item bd-high\"><div class=\"bd-score-item-label\">Imperfections<\/div><div class=\"bd-score-item-value\">81,6<\/div><\/div><div class=\"bd-score-item bd-low\"><div class=\"bd-score-item-label\">Stains<\/div><div class=\"bd-score-item-value\">42,5<\/div><\/div><\/div><div class=\"bd-sv bd-sv-caution\"><strong>\u26a0 Sensitivity verdict<\/strong> Slight caution (score: -1.0).<\/div><div class=\"bd-quotes-label\">User feedback (24 reviews - representative extracts)<\/div><div class=\"bd-quotes\"><div class=\"bd-quote\"><span class=\"bd-quote-rating\">\u2605\u2605\u2605\u2605\u2605<\/span>\u00abVery good value for money, my blemished skin looks great again.\u00bb<\/div><div class=\"bd-quote\"><span class=\"bd-quote-rating\">\u2605\u2605\u2605\u2605\u2605<\/span>\u00abIdeal for my skin and what's more it's refillable.\u00bb<\/div><div class=\"bd-quote\"><span class=\"bd-quote-rating\">\u2605\u2605\u2605\u2605<\/span>\u00abEasy to apply, absorbs well, does skin texture a world of good.\u00bb<\/div><div class=\"bd-quote\"><span class=\"bd-quote-rating\">\u2605\u2605\u2605<\/span>\u00abNo improvement on my pigmentation spots and a bit sticky for me.\u00bb<\/div><\/div><div class=\"bd-verdict\"><strong>Verdict -<\/strong> Niacinamide 10 % + copper, the most blemish-oriented of the selection (81.6), refillable. Slight caution (-1.0): response varies according to skin type, little effect on blemishes. 4.46\/5 out of 24 reviews.<\/div><\/div><\/div><\/section><section class=\"bd-section\"><div class=\"bd-wrap\"><span class=\"bd-section-label\">For whom<\/span><h2>For which <em>skin types<\/em> ?<\/h2><div class=\"bd-prob-grid\"><div class=\"bd-prob-card\"><div class=\"bd-prob-num\">01<\/div><h4>Oily skin<\/h4><p>Water-soluble, it can be found in non-greasy serums and lotions, perfect for oily skin. It reduces sebum, soothes redness and visibly tightens pores.<\/p><\/div><div class=\"bd-prob-card\"><div class=\"bd-prob-num\">02<\/div><h4>Sensitive skin<\/h4><p>Neutral pH and very stable, it is well suited to reactive skin and is found in many moisturizers.<\/p><\/div><div class=\"bd-prob-card\"><div class=\"bd-prob-num\">03<\/div><h4>Dry skin<\/h4><p>By stimulating the production of ceramides, it strengthens the skin barrier and reduces dryness deep down.<\/p><\/div><\/div><div class=\"bd-alert bd-alert-info\"><span class=\"bd-alert-icon\">\u2713<\/span><div>Niacinamide is therefore suitable for all skin types, from the driest to the most sensitive, including problem skin (eczema, rosacea, acne), by improving the barrier function and limiting inflammation.<\/div><\/div><\/div><\/section><section class=\"bd-dark\"><div class=\"bd-wrap\"><span class=\"bd-section-label\">Tolerance &amp; associations<\/span><h2>Side effects <em>and combinations<\/em><\/h2><p>Niacinamide is one of the safest active ingredients: it can even be used during pregnancy and breastfeeding. Most studies have focused on concentrations below 5 %, so a higher concentration may, in rare cases, cause tingling or redness on sensitive skin. If this happens, we lower the concentration; but more often, a reaction comes from another ingredient in the product, not from niacinamide itself. The only drawback is that niacinamide is slow-acting, so you need at least two months to see results.<\/p><div class=\"bd-dark-quote\"><strong>An easy combination<\/strong><p>Together with retinol, it reduces side effects by reinforcing the skin barrier, making it invaluable even around the eyes. Contrary to an old rumour, the niacinamide + vitamin C combination is perfectly feasible according to recent studies.<\/p><\/div><\/div><\/section><!-- ===== CTA APP (bd-final standard) ===== --><section class=\"bd-final\" style=\"padding-top:48px !important;margin-top:0 !important\"><div class=\"bd-wrap\"><div class=\"bd-final-inner\"><div class=\"bd-section-label\">Further information<\/div><h2>Find the right niacinamide for <em>your skin profile<\/em>.<\/h2><p>The BeautyDecoded application lets you scan any cosmetic product to visualize its suitability for your skin type and needs, based on INCI analysis.<\/p><div class=\"bd-cta-wrap\" style=\"justify-content: center;\"><a href=\"https:\/\/beautydecoded.go.link\/88eZ2\" class=\"bd-cta\" target=\"_blank\" rel=\"noopener\">Discover BeautyDecoded<\/a><\/div><div class=\"bd-cta-meta\" style=\"margin-top: 16px;\">Application available on iOS and Android<\/div><\/div><\/div><\/section><section class=\"bd-section\"><div class=\"bd-wrap\"><span class=\"bd-section-label\">Frequently asked questions<\/span><h2>Your questions about <em>niacinamide<\/em><\/h2><div class=\"bd-faq-list\"><details class=\"bd-faq-item\"><summary>What concentration of niacinamide should I choose?<\/summary><div class=\"bd-faq-answer\">Studies show that a concentration of 2 to 5 % is sufficient for most benefits. Serums with 10 % are effective, but may sting sensitive skin. There's no need to aim too high: a moderate, well-tolerated concentration is better than a high, irritating one.<\/div><\/details><details class=\"bd-faq-item\"><summary>Can niacinamide and vitamin C be combined?<\/summary><div class=\"bd-faq-answer\">Yes, the rumor of their incompatibility comes from an old article; recent studies confirm that they can be used together without any problem. For example, you can apply vitamin C in the morning and niacinamide at another time, or both together.<\/div><\/details><details class=\"bd-faq-item\"><summary>Niacinamide and retinol: a good combination?<\/summary><div class=\"bd-faq-answer\">Excellent, in fact: niacinamide reinforces the skin barrier and reduces irritation caused by retinol. This is one of the most useful combinations for sensitive skin new to retinoids.<\/div><\/details><details class=\"bd-faq-item\"><summary>Is niacinamide suitable for oily skin?<\/summary><div class=\"bd-faq-answer\">In fact, it's one of its best properties: it regulates sebum, soothes inflammation and reduces the appearance of pores. Its water-soluble form (serums, lotions) avoids greasy textures ill-suited to oily skin.<\/div><\/details><details class=\"bd-faq-item\"><summary>How long does it take to see results?<\/summary><div class=\"bd-faq-answer\">Niacinamide works more slowly than retinol or vitamin C: you need at least two months of daily use to see visible results. If nothing changes after a few days, this is normal: patience is the key.<\/div><\/details><\/div><\/div><\/section><section class=\"bd-section\"><div class=\"bd-wrap\"><span class=\"bd-section-label\">Further information<\/span><h2>Others <em>associated guides<\/em><\/h2><div class=\"bd-hub-grid\"><a class=\"bd-hub-card\" href=\"https:\/\/www.beautydecoded.com\/en\/niacinamide\/best-serum\/\"><span class=\"bd-hub-card-tag\">Comparison<\/span><h3>The best niacinamide serums<\/h3><span class=\"bd-hub-card-arrow\">Read the guide \u2192<\/span><\/a><a class=\"bd-hub-card\" href=\"https:\/\/www.beautydecoded.com\/en\/retinol\/\"><span class=\"bd-hub-card-tag\">Ingredient<\/span><h3>Retinol<\/h3><span class=\"bd-hub-card-arrow\">Read the guide \u2192<\/span><\/a><a class=\"bd-hub-card\" href=\"https:\/\/www.beautydecoded.com\/en\/vitamin-c\/\"><span class=\"bd-hub-card-tag\">Ingredient<\/span><h3>Vitamin C<\/h3><span class=\"bd-hub-card-arrow\">Read the guide \u2192<\/span><\/a><a class=\"bd-hub-card\" href=\"https:\/\/www.beautydecoded.com\/en\/care-by-skin-type\/oily-skin\/\"><span class=\"bd-hub-card-tag\">Guide<\/span><h3>Oily skin<\/h3><span class=\"bd-hub-card-arrow\">Read the guide \u2192<\/span><\/a><\/div><\/div><\/section><div class=\"bd-sig\"><strong>Dr Sylvain David<\/strong><span>Plastic and aesthetic surgeon - Founder of BeautyDecoded<\/span><\/div><div class=\"bd-disclaimer\"><p>Information for educational purposes only. It does not replace a medical consultation and must be adapted to each individual. The compatibility scores generated by the application do not prejudge the individual tolerance of each skin type. Niacinamide is one of the best-tolerated active ingredients and can still be used during pregnancy, but high concentrations may cause tingling or redness in reactive skin. In case of skin pathology or doubt, dermatological advice is recommended. A tolerance test should be carried out before using the product for the first time.<\/p><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Skincare Guide - Ingredients Niacinamide (vitamin B3) - benefits and instructions for use according to a doctor and BeautyDecoders analyses. Niacinamide, or vitamin B3, is one of the most versatile and well-tolerated active ingredients in cosmetics. It regulates sebum, reduces blemishes and hyperpigmentation, strengthens the skin barrier by stimulating...<\/p>","protected":false},"author":3,"featured_media":0,"parent":0,"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":"","_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-326","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\/326","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=326"}],"version-history":[{"count":14,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/pages\/326\/revisions"}],"predecessor-version":[{"id":74559,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/pages\/326\/revisions\/74559"}],"wp:attachment":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/media?parent=326"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}