NONAPEPTIDE-25 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
NONAPEPTIDE-25
Safety grade: A
This is a small chain of 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.
This ingredient conditions and firms the skin by helping to strengthen and support the skin's structural proteins, resulting in a smoother and more resilient complexion.
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