ACETYL SH-NONAPEPTIDE-5 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

ACETYL SH-NONAPEPTIDE-5

Safety grade: A

A laboratory-created peptide (protein fragment) designed to help reduce the appearance of fine lines and wrinkles by supporting skin's natural firmness and elasticity. It works by signaling skin cells to maintain their structural support, making it a common choice in anti-aging skincare products.

Graded using: COSING.

Last verified: June 9, 2026