S-FROG OLIGOPEPTIDE-1 AMIDE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

S-FROG OLIGOPEPTIDE-1 AMIDE

Safety grade: A

This plant-derived peptide is designed to help protect and strengthen your skin's natural barrier. It works by supporting your skin's ability to retain moisture and maintain firmness, potentially reducing the appearance of fine lines. It's commonly used in anti-aging and hydrating skincare products.

Graded using: COSING.

Last verified: June 9, 2026