SR-CAT POLYPEPTIDE-2 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SR-CAT POLYPEPTIDE-2

Safety grade: A

This ingredient is a plant-derived protein that helps strengthen and condition hair and skin. It works by coating the surface to lock in moisture and improve texture, making hair shinier and skin feel smoother. It's commonly used in shampoos, conditioners, and skincare products.

Graded using: COSING.

Last verified: June 9, 2026