RH-POLYPEPTIDE-6 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

RH-POLYPEPTIDE-6

Safety grade: A

This protein-based ingredient is designed to help strengthen and support your skin's natural structure. It works by nourishing the deeper layers of skin to promote firmness and elasticity, helping reduce the appearance of fine lines. It's commonly used in anti-aging and lifting serums and creams.

Graded using: COSING.

Last verified: June 9, 2026