SR-(METHIONYL SH-OLIGOPEPTIDE-75 SH-OLIGOPEPTIDE-1) is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SR-(METHIONYL SH-OLIGOPEPTIDE-75 SH-OLIGOPEPTIDE-1)

Safety grade: A

This ingredient is a peptide complex derived from proteins that works to support skin's natural repair and renewal processes. It's designed to help improve skin texture and appearance by promoting collagen production and maintaining skin elasticity, making it a common addition to anti-aging and firming skincare products.

Graded using: COSING.

Last verified: June 9, 2026