OLIGOPEPTIDE-45 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OLIGOPEPTIDE-45

Safety grade: A

This is a small chain of amino acids (the building blocks of proteins) that is designed to help improve skin texture and firmness. It works by signaling your skin to produce more of its own natural support structures.

This ingredient conditions and helps firm the skin by stimulating the production of collagen and elastin, which are proteins that keep skin looking plump, smooth, and youthful.

Graded using: COSING.

Last verified: May 26, 2026