ACETYL TRIPEPTIDE-1 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

ACETYL TRIPEPTIDE-1

Safety grade: A

This is a small chain of amino acids (the building blocks of proteins) that has been chemically modified to improve skin texture and appearance. It works by helping to smooth and soften the skin's surface.

This ingredient conditions and improves the overall feel and appearance of skin by enhancing its moisture retention and smoothness.

Graded using: COSING.

Last verified: May 26, 2026