NONAPEPTIDE-20 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

NONAPEPTIDE-20

Safety grade: A

This is a small protein fragment made up of nine amino acids linked together. It's designed to help improve skin texture and firmness by supporting the skin's natural structure.

Nonapeptide-20 conditions and improves the appearance of skin by helping to maintain elasticity and promoting a smoother, more refined skin texture.

Graded using: COSING.

Last verified: May 26, 2026