RH-POLYPEPTIDE-26 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

RH-POLYPEPTIDE-26

Safety grade: A

This is a protein-based ingredient that helps your skin retain moisture and maintain its natural barrier. It works by forming a protective layer on the skin's surface, leaving it feeling smoother and more hydrated. It's commonly used in moisturizers and serums to improve skin texture and comfort.

Graded using: COSING.

Last verified: June 9, 2026