NONAPEPTIDE-37 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

NONAPEPTIDE-37

Safety grade: A

This ingredient is a small protein fragment made through laboratory synthesis that helps improve skin firmness and elasticity. It works by stimulating natural skin renewal processes, making it a popular choice in anti-aging serums and creams aimed at reducing fine lines and promoting a smoother complexion.

Graded using: COSING.

Last verified: June 9, 2026