{"id":67971,"date":"2025-12-05T15:04:53","date_gmt":"2025-12-05T14:04:53","guid":{"rendered":"https:\/\/www.beautydecoded.com\/produits\/non%20class\u00e9\/blue-therapy-blue-retinol-night-serum-serum-anti-age-au-retinol-573485-blue-therapy-retinol-night-serum-30ml\/"},"modified":"2025-12-05T15:05:26","modified_gmt":"2025-12-05T14:05:26","slug":"blue-therapy-blue-retinol-night-serum-anti-aging-serum-with-retinol-573485-blue-therapy-retinol-night-serum-30ml","status":"publish","type":"product","link":"https:\/\/www.beautydecoded.com\/en\/products\/biotherm\/blue-therapy-blue-retinol-night-serum-anti-aging-serum-with-retinol-573485-blue-therapy-retinol-night-serum-30ml\/","title":{"rendered":"Blue Therapy Blue Retinol Night Serum \u2013 Anti-Aging Serum with Retinol \u2013 573485-blue therapy retinol night serum 30ml"},"content":{"rendered":"

AQUA<\/a>, GLYCERIN<\/a>, ISONONYL ISONONANOATE<\/a>, ALCOHOL DENAT.<\/a> (Drying alcohol), PENTYLENE GLYCOL<\/a>, DICAPRYLYL ETHER<\/a>, GLYCINE SOJA OIL<\/a> (Soybean oil), NIACINAMIDE<\/a> (Vitamin B3), PROPYLENE GLYCOL<\/a> (Glycol), PEG-6 CAPRYLIC\/CAPRIC GLYCERIDES<\/a> (Nonionic surfactant), WITCH HAGER EXTRACT<\/a>, Macrocystis pyrifera extract<\/a> (Macrocystis pyrifera (Seaweed)), DICAPRYLYL CARBONATE<\/a>, GLYCERYL ISOSTEARATE<\/a>, PPG-6-DECYLTETRADECETH-30<\/a>, SODIUM HYALURONATE<\/a> (Hyaluronic acid), SODIUM HYDROXIDE<\/a>, RETINOL<\/a> (Retinol), ADENOSINE<\/a> (Active), AMMONIUM POLYACRYLOYLDIMETHYL TAURATE<\/a>, CAPRYLIC\/CAPRIC TRIGLYCERIDE<\/a>, CAPRYLYL GLYCOL<\/a>, VITREOSCILLA FERMENT<\/a>, TRISODIUM ETHYLENEDIAMINE DISUCCINATE<\/a>, XANTHAN GUM<\/a>, BUTYLENE GLYCOL<\/a>, TOCOPHEROL<\/a> (Vitamin E), Pentaerythrityl Tetra-Di-T-Butyl Hydroxyhydrocinnamate<\/a> (Antioxidant), POTASSIUM SORBATE<\/a>, SODIUM BENZOATE<\/a>, PHENOXYETHANOL<\/a>, LINALOOL<\/a> (Regulated allergen), GERANIOL<\/a> (Regulated allergen), LIMONENE<\/a> (Regulated allergen), PERFUM<\/a> (Perfume)<\/p>\n

My Doctor's Diagnosis: Analysis and Target<\/h2>\n

Visit Blue Therapy Blue Retinol Night Serum<\/strong> Biotherm is primarily intended for skin showing signs of aging: wrinkles, loss of firmness, uneven skin tone, and altered skin texture. This night serum targets the needs of people seeking comprehensive anti-aging action, thanks to a formula focused on nighttime cell regeneration. My expert opinion is that Biotherm offers a comprehensive approach that is suitable for mature skin or for preventing aging, while incorporating active ingredients known for their effectiveness.<\/p>\n

Formula Analysis: Key Assets<\/h2>\n

Three key active ingredients form the basis of this serum:<\/p>\n

    \n
  • Retinol<\/strong> : Derived from vitamin A, it stimulates cell renewal, promotes collagen production, and reduces wrinkles and pigmentation spots. Its anti-aging effectiveness has been widely documented scientifically.<\/li>\n
  • Niacinamide<\/strong> This form of vitamin B3 improves the skin barrier, evens out skin tone, and reduces inflammation. It enhances the action of retinol while limiting its irritating effects.<\/li>\n
  • Hyaluronic acid<\/strong> : Present in the form of sodium hyaluronate, it intensely hydrates and plumps the skin, compensating for the dryness sometimes caused by retinol.<\/li>\n<\/ul>\n

    The synergy of these active ingredients gives the product remarkable effectiveness on the signs of aging, while maintaining skin comfort.<\/p>\n

    Tips and Application Ritual<\/h2>\n

    I recommend applying this serum in the evening, on clean, dry skin, before your night cream. It is best to avoid combining it with other powerful exfoliating active ingredients (AHA\/BHA acids, pure vitamin C) to limit the risk of irritation. It is essential to use sun protection in the morning during retinol treatment.<\/p>\n

    My Final Verdict & Safety Opinion<\/h2>\n

    This serum stands out for the quality of its active ingredients and its comprehensive anti-aging properties. Its light texture and ability to combine effectiveness with tolerance are major advantages. One drawback: the presence of fragrance and alcohol, which may not be suitable for very sensitive skin. In conclusion, it is an excellent choice for a nighttime anti-aging routine, provided it is well tolerated by the individual.<\/p>\n

    ","protected":false},"excerpt":{"rendered":"

    The Verdict & Review beautydecoded:
    Dry skin: Very good
    Oily skin: Avoid
    Anti-aging effectiveness: Good \u2705
    Effectiveness on blemishes: Limited \u25fc\ufe0f
    Effectiveness Hyperpigmentation: Good \u2705
    Effectiveness on redness: Limited \u25fc\ufe0f
    Sensitive skin: Limit<\/p>","protected":false},"featured_media":67972,"comment_status":"open","ping_status":"open","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":"","_kad_post_title":"","_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":""},"product_brand":[],"product_cat":[445],"product_tag":[],"class_list":["post-67971","product","type-product","status-publish","has-post-thumbnail","product_cat-biotherm","pa_actif-niacinamide","pa_actif-retinol","pa_type-de-produit-serum","first","instock","product-type-external","entry","content-bg","loop-entry"],"acf":[],"taxonomy_info":{"product_cat":[{"value":445,"label":"Biotherm"}],"pa_actif":[{"value":541,"label":"niacinamide"},{"value":557,"label":"retinol"}],"pa_type-de-produit":[{"value":544,"label":"serum"}]},"featured_image_src_large":["https:\/\/www.beautydecoded.com\/wp-content\/uploads\/2025\/12\/573485_swatch-1024x1024.jpg",1024,1024,true],"author_info":[],"comment_info":0,"_links":{"self":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/product\/67971","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/comments?post=67971"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/media\/67972"}],"wp:attachment":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/media?parent=67971"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/product_brand?post=67971"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/product_cat?post=67971"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/product_tag?post=67971"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}