TRIPEPTIDE-117 CITRULLINE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

TRIPEPTIDE-117 CITRULLINE

Safety grade: A

A blend of amino acids and citrulline designed to boost skin hydration and support the skin's natural moisture barrier. It helps improve skin firmness and elasticity while keeping skin looking plump and refreshed. Commonly used in serums, moisturizers, and anti-aging products.

Graded using: COSING.

Last verified: June 9, 2026