OLIGOPEPTIDE-158 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OLIGOPEPTIDE-158

Safety grade: A

A natural protein fragment derived from plants, this ingredient works to strengthen and support your skin's structure by promoting firmness and elasticity. It helps skin maintain its youthful appearance by supporting the underlying support system that keeps skin looking smooth and resilient.

Graded using: COSING.

Last verified: June 9, 2026