{"id":71024,"date":"2025-12-05T16:16:59","date_gmt":"2025-12-05T15:16:59","guid":{"rendered":"https:\/\/www.beautydecoded.com\/produits\/non%20class\u00e9\/collagen-peptide-serum\/"},"modified":"2025-12-05T16:17:18","modified_gmt":"2025-12-05T15:17:18","slug":"collagen-peptide-serum","status":"publish","type":"product","link":"https:\/\/www.beautydecoded.com\/en\/products\/the-inkey-list\/collagen-peptide-serum\/","title":{"rendered":"Collagen Peptide Serum"},"content":{"rendered":"

AQUA<\/a>, GLYCERIN<\/a>, BUTYLENE GLYCOL<\/a>, PROPANEDIOL<\/a>, PHENOXYETHANOL<\/a>, HYDROXYETHYLCELLULOSE<\/a>, SODIUM PHYTATE<\/a>, CITRIC ACID<\/a>, Leuconostoc\/Radish Root Ferment Filtrate<\/a>, CARBOMER<\/a>, HYALURONIC ACID<\/a> (Hyaluronic acid), SODIUM LACTATE<\/a>, Palmitoil dipeptide-5 diaminobutyroil hydroxythreonine<\/a> (Peptide), Palmitoil Dipepetide-5 Diaminohydroxybutyrate<\/a> (Peptide), POLYSORBATE 20<\/a> (Nonionic surfactant), POLYSORBATE 60<\/a> (Nonionic surfactant), DISODIUM PHOSPHATE<\/a>, SODIUM PHOSPHATE<\/a>, PALMITOYL TETRAPEPTIDE-7<\/a> (Peptide), PALMITOYL TRIPEPTIDE-1<\/a> (Peptide)<\/p>\n

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

Collagen Peptide Serum from The Inkey List is aimed primarily at those concerned about loss of firmness, the appearance of wrinkles and lack of skin elasticity. This serum aims to support the skin's structure and prevent the visible signs of aging. Based on my analysis, The Inkey List's formulation focuses on stimulating collagen synthesis and improving hydration, making it a relevant choice for mature skin or as a preventive treatment as soon as the first fine lines appear.<\/p>\n

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

I note three major active ingredients in this serum:<\/p>\n

    \n
  • Peptides (Palmitoyl Tripeptide-1, Palmitoyl Tetrapeptide-7, Palmitoyl Dipeptide-5...)<\/strong> These protein fragments mimic the skin's natural signals to stimulate collagen and elastin production. Their action helps strengthen the dermal matrix, improve firmness and reduce wrinkles.<\/li>\n
  • Hyaluronic acid<\/strong> This powerful humectant attracts and retains water in the skin, providing an immediate plumping effect and promoting skin suppleness. It also optimizes peptide diffusion.<\/li>\n
  • Radish ferment (Leuconostoc\/Radish Root Ferment Filtrate)<\/strong> This ingredient of biotechnological origin provides moisturizing action and helps balance the skin's microbiome, reinforcing the serum's tolerance.<\/li>\n<\/ul>\n

    The synergy of these active ingredients gives the product remarkable effectiveness on skin density and quality.<\/p>\n

    Tips and Application Ritual<\/h2>\n

    I recommend applying this serum morning and\/or evening, on clean skin, before moisturizer. It fits perfectly into an anti-aging routine, in combination with antioxidants (vitamin C) in the morning or repairing skin care products in the evening. It is compatible with most active ingredients, but I advise against layering it on top of highly exfoliating formulas or those containing powerful retinoids, to avoid irritation.<\/p>\n

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

    This serum is distinguished by its expert formula, focused on innovative peptides and optimal hydration. Its light, non-greasy texture makes it pleasant to use every day. A slight downside could be the absence of fragrance, which will please sensitive skin but may surprise some users. In conclusion, I consider this product to be a serious ally in preventing and correcting the signs of aging, with an excellent tolerance profile.<\/p>\n

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

    The Verdict & Review beautydecoded:
    Dry skin: Very good
    Oily skin: Very good
    Anti-aging effectiveness: Low
    Effectiveness on blemishes: Low
    Effectiveness Hyperpigmentation: Low
    Effectiveness on redness: Low
    Sensitive skin: Good \u2705<\/p>","protected":false},"featured_media":71025,"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-71024","product","type-product","status-publish","has-post-thumbnail","product_cat-the-inkey-list","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_type-de-produit":[{"value":544,"label":"serum"}]},"featured_image_src_large":["https:\/\/www.beautydecoded.com\/wp-content\/uploads\/2025\/12\/460013_swatch-copie.jpg",700,700,false],"author_info":[],"comment_info":0,"_links":{"self":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/product\/71024","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=71024"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/media\/71025"}],"wp:attachment":[{"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/media?parent=71024"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/product_brand?post=71024"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/product_cat?post=71024"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.beautydecoded.com\/en\/wp-json\/wp\/v2\/product_tag?post=71024"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}