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

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

Safety grade: A

This ingredient is a blend of peptides derived from rainbow trout that work together to help improve skin's firmness and elasticity. Peptides are small protein fragments that can support the skin's natural structure and may help reduce the appearance of fine lines when used in skincare products.

Graded using: COSING.

Last verified: June 9, 2026