PENTAPEPTIDE-28 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
PENTAPEPTIDE-28
Safety grade: A
Pentapeptide-28 is a small chain of amino acids (the building blocks of proteins) created in a laboratory. It works to help improve skin texture and maintain a healthy, conditioned appearance.
This ingredient conditions and softens the skin by helping to improve its moisture retention and overall smoothness.
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