RH-POLYPEPTIDE-5 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

RH-POLYPEPTIDE-5

Safety grade: A

This plant-derived protein works to strengthen and condition hair and skin by helping to lock in moisture and improve texture. It creates a protective layer that makes hair shinier and smoother while helping skin feel softer and more hydrated.

Graded using: COSING.

Last verified: June 9, 2026