SR-CAT POLYPEPTIDE-3 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SR-CAT POLYPEPTIDE-3

Safety grade: A

This is a lab-created protein blend designed to help firm and smooth skin. It works by supporting your skin's natural structure and elasticity, making fine lines appear less noticeable. It's commonly used in anti-aging creams and serums to help skin look more youthful and refreshed.

Graded using: COSING.

Last verified: June 9, 2026