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

SR-DOG POLYPEPTIDE-3

Safety grade: A

This ingredient is a naturally derived protein complex sourced from canine origins that works to strengthen and condition hair and skin. It helps improve texture and elasticity by forming a protective layer on the surface, leaving hair smoother and skin feeling firmer and more supple.

Graded using: COSING.

Last verified: June 9, 2026