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    COSRX

    COSRX The 6 Peptide Skin Booster Serum

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    A 6-peptide booster serum that hydrates and supports skin firmness as your first-step treatment.

    Our Asian beauty edit
    €22.50150ml · €15.00/100 ml · incl. VAT
    1

    In stock · dispatched in 1–2 working days

    In your routine

    CleanseToneTreatMoisturiseProtect
    Step
    5 · Treat
    How often
    Daily
    Starting out
    Daily from day one. If the skin is reactive, every second day for the first week.

    • 6-PEPTIDE COMPLEX (Acetyl Hexapeptide-8, Copper Tripeptide-1, SH-Polypeptide-121, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Oligopeptide-68, Palmitoyl Tripeptide-8)Signal and carrier peptides that support skin firmness and overall condition.
    • NiacinamideSupports barrier function and evens the look of tone.
    • Sodium HyaluronateHumectant that binds water for lasting hydration.
    • AMINO ACID COMPLEX (Serine, Alanine, Glycine, Proline, etc.)Mimics skin's natural moisturizing factors to support hydration and resilience.

    After cleansing and toning, pat a generous amount onto face and neck as the first step of your treatment routine; follow with remaining serums and moisturiser.

    Water, Dipropylene Glycol, Glycerin, Pentylene Glycol, 1,2-Hexanediol, Niacinamide, Acetyl Hexapeptide-8, Copper Tripeptide-1, sh-Polypeptide-121, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Oligopeptide-68, Palmitoyl Tripeptide-8, Allantoin, Sodium Hyaluronate, Acetyl Glucosamine, Serine, Alanine, Glycine, Threonine, Arginine, Proline, Betaine, Sodium PCA, Sodium Lactate, PCA, Glutamic Acid, Lysine HCl, Tocopherol, Dextran, Glycine Soja (Soybean) Oil, Hydrogenated Lecithin, Ammonium Acryloyldimethyltaurate/VP Copolymer, Polyacrylate Crosspolymer-6, Butylene Glycol, Xanthan Gum, Ethylhexylglycerin, Adenosine, Polyquaternium-51, Disodium EDTA, Citric Acid, Caprylyl Glycol, t-Butyl Alcohol, Potassium Sorbate, Sodium Oleate

    A first-step booster serum combining six peptides — including copper tripeptide-1 and acetyl hexapeptide-8 — with amino acids, niacinamide, and sodium hyaluronate to support overall skin condition, resilience, and hydration. Lightweight and fast-absorbing, it's designed to prime skin for the rest of your routine while supporting a firmer, healthier-looking complexion over time.

    Key Benefits:

    • 6-peptide complex supports skin firmness and overall condition
    • Amino acid and hyaluronic acid blend boosts hydration
    • Niacinamide supports barrier function and tone
    • Lightweight, fast-absorbing texture ideal as a first-step booster
    • Fragrance-free formula suitable for daily use

    Suitable for

    • sensitive
    • rosacea-prone
    • acne-prone
    • post-procedure
    • mature
    • Fragrance-free

    Highlights

    Anti-age
    Hydration
    Hyaluronic Acid
    Niacinamide
    Peptides
    Fragrance-free

    Questions

    It suits all skin types. A 6-peptide booster serum that hydrates and supports skin firmness as your first-step treatment. It's fragrance-free, which reactive skin will appreciate.

    After cleansing and toning, pat a generous amount onto face and neck as the first step of your treatment routine; follow with remaining serums and moisturiser.

    The key actives are 6-peptide complex, niacinamide, sodium hyaluronate, amino acids — chosen for exactly what this serum promises: a 6-peptide booster serum that hydrates and supports skin firmness as your first-step treatment.

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