OLIGOPEPTIDE-8 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OLIGOPEPTIDE-8

Safety grade: A

This is a small chain of amino acids (the building blocks of proteins) that is designed to fight bacteria and microbes on the skin. It works similarly to how your body's natural defense systems protect against unwanted microorganisms.

Oligopeptide-8 is used in cosmetics to help prevent bacterial growth and keep products fresher longer, while also supporting the skin's natural ability to resist harmful microbes.

Graded using: COSING.

Last verified: May 26, 2026