ACETYL DECAPEPTIDE-3 is graded A (Safe) by Expert·ING, based on COSING, FDA regulatory data.

ACETYL DECAPEPTIDE-3

Safety grade: A

This is a small protein fragment made of 10 amino acids linked together, designed to help improve skin firmness and elasticity. It works by signaling skin cells to produce more of their natural support structures.

This ingredient conditions and firms the skin by stimulating the production of collagen and elastin, helping to reduce the appearance of fine lines and improve skin texture.

Graded using: COSING, FDA.

Last verified: May 26, 2026