DECAPEPTIDE-4 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
DECAPEPTIDE-4
Safety grade: A
This is a small chain of 10 amino acids (the building blocks of proteins) that is created in a laboratory. It works to improve skin texture and firmness by supporting the skin's natural structure.
Decapeptide-4 is used in skincare products to condition and improve the appearance of skin by promoting a firmer, smoother complexion and enhancing skin elasticity.
Graded using: COSING.
Last verified: May 26, 2026
Other Skin Conditioning ingredients
- TOCOPHEROL — Grade A
- PROPYLENE GLYCOL — Grade A**
- XANTHAN GUM — Grade A
- DIMETHICONE — Grade A
- TOCOPHERYL ACETATE — Grade A
- PANTHENOL — Grade A
- CAPRYLYL GLYCOL — Grade A
- ETHYLHEXYLGLYCERIN — Grade A