NONAPEPTIDE-15 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
NONAPEPTIDE-15
Safety grade: A
Nonapeptide-15 is a short chain of amino acids (the building blocks of proteins) created in a laboratory. It's designed to help skin feel smoother and more hydrated by improving how the skin holds onto moisture.
This ingredient conditions and softens the skin by enhancing moisture retention and improving the skin's overall texture and 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