R-(S-RAINBOW TROUT OLIGOPEPTIDE-1 SH-POLYPEPTIDE-62) is graded A (Safe) by Expert·ING, based on COSING regulatory data.

R-(S-RAINBOW TROUT OLIGOPEPTIDE-1 SH-POLYPEPTIDE-62)

Safety grade: A

A protein-derived ingredient sourced from rainbow trout that works to strengthen and condition the skin. This peptide helps improve skin firmness and hydration by supporting the skin's natural protective barrier, making it a common addition to moisturizers and anti-aging products.

Graded using: COSING.

Last verified: June 9, 2026