RH-POLYPEPTIDE-104 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

RH-POLYPEPTIDE-104

Safety grade: A

This peptide works to help firm and smooth skin by supporting its natural structure and elasticity. Derived from amino acids, it's used in anti-aging skincare products to reduce the appearance of fine lines and promote a more youthful complexion. It functions as a conditioning agent that helps improve skin texture and resilience.

Graded using: COSING.

Last verified: June 9, 2026