OLIGOPEPTIDE-157 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OLIGOPEPTIDE-157

Safety grade: A

This peptide is a chain of amino acids that works to support your skin's natural structure and firmness. It helps improve the appearance of fine lines and promotes a smoother, more youthful-looking complexion when used in skincare products.

Graded using: COSING.

Last verified: June 9, 2026