OLIGOPEPTIDE-136 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OLIGOPEPTIDE-136

Safety grade: A

This ingredient is a small protein fragment designed to help improve skin texture and support the skin's natural firmness. It works by interacting with skin cells to promote a smoother, more refined appearance. It's commonly used in anti-aging and skin-conditioning products.

Graded using: COSING.

Last verified: June 9, 2026