{"id":71047,"date":"2025-12-05T16:17:35","date_gmt":"2025-12-05T15:17:35","guid":{"rendered":"https:\/\/www.beautydecoded.com\/produits\/non%20class\u00e9\/20-niacinamide-serum\/"},"modified":"2026-04-02T19:57:19","modified_gmt":"2026-04-02T17:57:19","slug":"20-niacinamide-serum","status":"publish","type":"product","link":"https:\/\/www.beautydecoded.com\/en\/produits\/the-inkey-list\/20-niacinamide-serum\/","title":{"rendered":"20% Niacinamide Serum"},"content":{"rendered":"

AQUA<\/a>, NIACINAMIDE<\/a> (Vitamin B3), BUTYLENE GLYCOL<\/a>, SQUALANE<\/a> (Squalane, Hydrogenated Oil), HYDROXYETHYL ACRYLATE\/SODIUM ACRYLOYLDIMETHYL TAURATE COPOLYMER<\/a>, GLYCERIN<\/a>, PHENOXYETHANOL<\/a>, BENZYL ALCOHOL<\/a> (Regulated allergen), AMMONIUM ACRYLOYLDIMETHYLTAURATE\/VP COPOLYMER<\/a>, ZINC PCA<\/a> (Zinc), POLYSORBATE 60<\/a> (Nonionic surfactant), ETHYLHEXYLGLYCERIN<\/a>, DEHYDROACETIC ACID<\/a>, SORBITAN ISOSTEARATE<\/a>, TRISODIUM ETHYLENEDIAMINE DISUCCINATE<\/a><\/p>\n

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

The Inkey List's 20% Niacinamide serum is aimed primarily at skin prone to blemishes, excess sebum, dilated pores and pigmentation spots. Its high concentration of niacinamide makes it an ideal ally for those suffering from acne, shine or uneven skin tone. From a formulation point of view, The Inkey List offers a minimalist, effective approach, focused on the performance of active ingredients, with no superfluity.<\/p>\n

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

Niacinamide (vitamin B3) is the star active ingredient in this serum, dosed at 20%, a higher concentration than the market average. It regulates sebum production, reduces redness and strengthens the skin barrier. Zinc PCA complements the action of niacinamide with its sebum-regulating and antibacterial properties, ideal for acne-prone skin. Finally, squalane adds a moisturizing and protective dimension, maintaining skin balance without greasiness. This synergy of active ingredients makes the product remarkably effective on skin imperfections and texture.<\/p>\n

Tips and Application Ritual<\/h2>\n

I recommend applying this serum in the morning and\/or evening, on clean, dry skin, before moisturizer. It integrates perfectly into a minimalist routine, or in combination with gentle active ingredients such as hyaluronic acid. However, it is preferable to avoid immediate association with powerful exfoliating acids (AHA\/BHA) or retinol, to limit the risk of irritation, especially for sensitive skin.<\/p>\n

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

This serum boasts a high concentration of niacinamide and a purified formula for combination to oily skin with imperfections. Its light texture penetrates quickly without leaving a greasy film. A slight drawback: the high concentration may cause tingling in very sensitive skin. In conclusion, this is an excellent choice for targeting imperfections and evening out the complexion, while respecting the skin's balance.<\/p>\n

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The Verdict & Review beautydecoded:
Dry skin: Correct
Oily skin: Very good
Anti-aging effectiveness: Good \u2705
Effectiveness on blemishes: Low
Effectiveness Hyperpigmentation: Good \u2705
Effectiveness on redness: Good \u2705
Sensitive skin: Good \u2705<\/p>","protected":false},"featured_media":71048,"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":[247],"product_tag":[],"class_list":["post-71047","product","type-product","status-publish","has-post-thumbnail","product_cat-the-inkey-list","pa_actif-niacinamide","pa_type-de-produit-serum","first","instock","product-type-external","entry","content-bg","loop-entry"],"acf":[],"taxonomy_info":{"product_cat":[{"value":247,"label":"The Inkey List"}],"pa_actif":[{"value":541,"label":"niacinamide"}],"pa_type-de-produit":[{"value":544,"label":"serum"}]},"featured_image_src_large":["https:\/\/www.beautydecoded.com\/wp-content\/uploads\/2025\/12\/633715_swatch-1024x1024.jpg",1024,1024,true],"author_info":[],"comment_info":1,"_links":{"self":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/product\/71047","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=71047"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/media\/71048"}],"wp:attachment":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/media?parent=71047"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/product_brand?post=71047"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/product_cat?post=71047"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/product_tag?post=71047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}