COSRX
$25

The 6 Peptide Skin Booster Serum

This serum pairs niacinamide with a six-peptide complex, including copper tripeptide-1 and acetyl hexapeptide-8, aimed at firming and softening the look of fine lines over time. Sodium hyaluronate and a handful of amino acids round out the formula for hydration, and it's light enough to layer under moisturizer without pilling. COSRX positions it as a booster meant to be added into an existing routine rather than used on its own.

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Niacinamide Peptides Hyaluronic Acid Adenosine Allantoin Amino Acid
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Benefits

Ingredient Highlights

Niacinamide A vitamin B3 that fades dark spots, shrinks pores, and balances oil. Antioxidant Hyaluronic Acid A moisture-binding molecule that plumps skin and eases dryness. Humectant Peptides A peptide aimed at fading the look of dark spots and blotchiness. Peptide Adenosine Helps smooth the look of fine lines and calms stressed-looking skin. Skin Conditioning Allantoin Soothes irritation and dryness, leaving skin feeling softer. Skin Conditioning

Full Ingredient List

1,2 HexanediolAcetyl GlucosamineAdenosineAlanineAllantoinAmmonium Acryloyldimethyltaurate/VP CopolymerArginineArgireline (Acetyl Hexapeptide-8)BetaineButylene GlycolC&ACaprylyl GlycolCitric AcidCopper Tripeptide-1DextranDipeptide Diaminobutyroyl Benzylamide DiacetateDipropylene GlycolDisodium EDTAEthylhexylglycerinGlutamic AcidGlycerinGlycineGlycine Soja (Soybean) OilHyaluronic Acid (Sodium Hyaluronate)Hydrogenated LecithinLysine HClNiacinamide (Vitamin B3)Oligopeptide-68Palmitoyl Tripeptide-8Pentylene GlycolPolyacrylate Crosspolymer-6Polyquaternium-51Potassium SorbateProlineSerineSh-Polypeptide-121Sodium LactateSodium OleateSodium PCAt-Butyl AlcoholThreonineTocopherol (Vitamin E)Water (Aqua)Xanthan gum