OLIGOPEPTIDE-228 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OLIGOPEPTIDE-228

Safety grade: A

This is a small protein fragment designed to help skin look firmer and more youthful by supporting the skin's natural structure. It works by signaling skin cells to maintain elasticity and smoothness, making it a popular choice in anti-aging skincare products and serums.

Graded using: COSING.

Last verified: June 9, 2026