SR-(METHIONYL S-RAINBOW TROUT OLIGOPEPTIDE-1 SH-POLYPEPTIDE-69 HEXAPEPTIDE-40) is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SR-(METHIONYL S-RAINBOW TROUT OLIGOPEPTIDE-1 SH-POLYPEPTIDE-69 HEXAPEPTIDE-40)

Safety grade: A

This ingredient comes from rainbow trout and contains natural protein fragments that help protect and condition skin. It works to support the skin's natural barrier function and may help improve hydration and skin texture when used in cosmetic formulations.

Graded using: COSING.

Last verified: June 9, 2026