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Contains harmful ingredientsSLOW
COSRX
The 6 Peptide Skin Booster Serum
Last verified: February 20, 2026
- Water
- Dipropylene Glycol
- Glycerin
- Pentylene Glycol
- 1,2-Hexanediol
- Niacinamide
- Ammonium Acryloyldimethyltaurate/VP Copolymer
- Polyacrylate Crosspolymer-6
- Butylene Glycol
- Xanthan Gum
- Ethylhexylglycerin
- Adenosine
- 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-121
- Serine
- Alanine
- Allantoin
- Sodium Hyaluronate
- Acetyl Glucosamine
- Glycine
- Glutamic Acid
- Lysine Hcl
- Threonine
- Dipeptide Diaminobutyroyl Benzylamide Diacetate
- Arginine
- Tocopherol
- Oligopeptide-68
- Proline
- Dextran
- Palmitoyl Tripeptide-8
- Glycine Soja (Soybean) Oil
- Hydrogenated Lecithin
- Potassium Sorbate
- Sodium Oleate
Why This Product is Rated SLOW
The 6 Peptide Skin Booster Serum by COSRX has been evaluated by Million Marker and contains some ingredients with possible health concerns. This product is rated SLOW, indicating moderate concern.
We recommend reviewing the ingredient list carefully and considering safer alternatives when possible. SLOW-rated products may still be acceptable for occasional use.
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