R-(S-RAINBOW TROUT OLIGOPEPTIDE-1 SH-POLYPEPTIDE-136) is graded A (Safe) by Expert·ING, based on COSING regulatory data.

R-(S-RAINBOW TROUT OLIGOPEPTIDE-1 SH-POLYPEPTIDE-136)

Safety grade: A

This ingredient is a protein derived from rainbow trout that helps moisturize and condition skin. It works by forming a protective layer on the skin's surface to lock in hydration and improve softness and smoothness.

Graded using: COSING.

Last verified: June 9, 2026