SR-RAINBOW TROUT OLIGOPEPTIDE-1 SH-OLIGOPEPTIDE-2 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SR-RAINBOW TROUT OLIGOPEPTIDE-1 SH-OLIGOPEPTIDE-2

Safety grade: A

This ingredient comes from rainbow trout and contains natural protein fragments that help strengthen and protect your skin's outer layer. It works to improve skin firmness and support the skin barrier, making it a common addition to anti-aging and moisturizing products.

Graded using: COSING.

Last verified: June 9, 2026