SH-NONAPEPTIDE-4 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SH-NONAPEPTIDE-4

Safety grade: A

This peptide is a chain of amino acids designed to help strengthen and firm skin by boosting its natural support structure. It works to reduce the appearance of fine lines and sagging by promoting skin elasticity, making it a common choice in anti-aging creams and serums.

Graded using: COSING.

Last verified: June 9, 2026