PENTAPEPTIDE-38 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
PENTAPEPTIDE-38
Safety grade: A
Pentapeptide-38 is a small chain of amino acids (the building blocks of proteins) created in a laboratory. It works to help improve skin texture and appearance by supporting the skin's natural structure and firmness.
This ingredient is used in cosmetics to condition and improve skin by helping to maintain skin elasticity, smoothness, and overall skin quality.
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