PENTAPEPTIDE-18 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
PENTAPEPTIDE-18
Safety grade: A
Pentapeptide-18 is a small chain of amino acids (the building blocks of proteins) created in a laboratory. It works to help improve skin texture and firmness by supporting the skin's natural structure.
This ingredient conditions and firms the skin by helping to maintain elasticity and promoting a smoother, more youthful appearance.
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