NONAPEPTIDE-14 is graded A (Safe) by Expert·ING, based on COSING regulatory data.
NONAPEPTIDE-14
Safety grade: A
Nonapeptide-14 is a small chain of amino acids (the building blocks of proteins) created in the laboratory. It's designed to help improve skin texture and firmness by supporting the skin's natural structure.
This ingredient conditions and improves the appearance of skin by helping to enhance elasticity, firmness, 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