The 6 Peptide Skin Booster Serum

Your first step serum for firmer, smoother, and brighter skin.

COSRX 6 Peptide Skin Booster Serum is a lightweight, multi-tasking serum formulated to prep, protect and transform your skin . Powered by a 6-peptide complex , this innovative booster improves skin elasticity , narrows the appearance of pores and smoothes fine lines and rough texture - all while preparing skin for deeper absorption of the rest of your routine.

With niacinamide for brightening, hyaluronic acid for hydration, and allantoin for soothing, this serum delivers visible radiance with a silky, non-sticky finish. Perfect for layering or boosting the effects of other serums and ampoules.

✨ Key benefits

• ✅ 6-peptide complex strengthens, smoothes and improves elasticity

• ✅ Prepares the skin for deeper product absorption

• ✅ Refines pores and evens out rough skin texture

• ✅ Brightens dull skin with niacinamide

• ✅ Hydrates and soothes with hyaluronic acid and allantoin

• ✅ Lightweight, non-greasy formula for all skin types

🧴 How to use

1. Use as the first step after cleansing

2. Apply a few drops evenly to the face

3. Gently pat the skin until completely absorbed.

4. Can be layered multiple times to enhance the effect of your next serum or ampoule

💡 Use morning and night for smoother, brighter skin.

🌿 Fueled with skin-loving ingredients

🧬 6 Peptide Complex
Targets fine lines, improves firmness and promotes youthful skin

🌞 Niacinamide
Brightens and balances skin tone while supporting the barrier

💧 Sodium hyaluronate and betaine
deeply hydrate, weightlessly

🌿 Allantoin and adenosine
Soothes, repairs and improves overall skin resistance

✨ Acetyl Hexapeptide-8 and Copper Tripeptide-1
Support collagen and skin regeneration

🔍 Full list of ingredients

<details> <summary>Click to view</summary> Water, Dipropylene Glycol, Glycerin, Pentylene Glycol, 1,2-Hexanediol, Niacinamide, Ammonium Acryloyldimethyltaurate/VP Copolymer, Polyacrylate Crosspolymer-6, Butylene Glycol, Xinilinylthan, Glucol, Xinilinylthan, Eglycerinylthan Polyquaternium-51, Disodium EDTA, Citric Acid, Caprylyl Glycol, Betaine, t-Butyl Alcohol, Sodium PCA, Sodium Lactate, Acetyl Hexapeptide-8, Copper Tripeptide-1, PCA, SH-Polypeptide-1, Serine, Alanine, Allantoin, Sodium Gcosaminetalyluronate, Sodium Acetyl-Acetyluronate, Acid, Lysine HCL, Threonine, Dipeptide Diaminobutyroyl Benzylamide Diacetate, Arginine, Tocopherol, Oligopeptide-68, Proline, Dextran, Palmitoyl Tripeptide-8, Glycine Oil soy, hydrogenated lecithin, potassium sorbate, sodium oleate </details>

✅ Ideal for:

✔️ Dull, dehydrated or textured skin
✔️ Early signs of aging (fine wrinkles, loss of firmness)
✔️ Improving the results of your complete skincare routine
✔️ All skin types, including dry and sensitive