COSRX The 6 Peptide Skin Booster Serum

A lightweight, toner-like first-step booster serum with 6 powerful peptides, Hyaluronic Acid, and amino acids — instantly boosting elasticity, refining pores, and enhancing the performance of every product that follows.

6 peptides with different functions — including Copper Tripeptide-1 for retexturising and SH-Polypeptide-121 for collagen boosting — are combined to address multiple skin concerns simultaneously in one first step.

Many multi-peptide serums are heavy, viscous, or expensive, making them hard to layer under other actives. COSRX engineered The 6 Peptide Skin Booster Serum with a hydrating, water-burst texture that functions as a "skin-booster" rather than a thick standalone layer.

By combining six specialized peptides at clinically effective ratios, it delivers a broad-spectrum anti-aging and texture-refining treatment while multiplying the efficacy of whatever serum you layer on top.

All skin types — especially those concerned with fine lines, dullness, pores, and early signs of ageing seeking a first-step serum that works with any routine.

Water, Butylene Glycol, Propanediol, Glycerin, Niacinamide, 1,2-Hexanediol, Sodium Hyaluronate, Panthenol, Allantoin, SH-Polypeptide-121, Copper Tripeptide-1, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Acetyl Tetrapeptide-9, Hexapeptide-9, Palmitoyl Pentapeptide-4, Amino Acids Complex, Adenosine, Ethylhexylglycerin, Disodium EDTA, Hydroxyethylcellulose

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1.Step 1: Cleanse Face:Morning & Evening.Cleanse your skin thoroughly with a gentle low-pH cleanser and pat completely dry.

2.Step 2: Apply Booster Serum:First Step Boosting.Dispense 2 to 3 pumps of The 6 Peptide Skin Booster Serum onto clean hands or a cotton pad and pat evenly over face and neck.

3.Step 3: Layer Active Serums:Synergy Step.Follow immediately with your target serums (e.g., Vitamin C, Niacinamide, Retinol, or Hyaluronic Acid) while skin is still moist to maximize ingredient penetration.

4.Step 4: Moisturize & Protect:Final Seal.Seal in active ingredients with your favorite moisturizer, and follow with broad-spectrum SPF during daytime routines.