SH-POLYPEPTIDE-107 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SH-POLYPEPTIDE-107

Safety grade: A

This plant-derived protein works to strengthen and condition hair by helping to repair damage and improve elasticity. It fills in gaps along the hair shaft, making strands smoother and more resilient. You'll typically find it in shampoos, conditioners, and styling products designed to restore weakened or processed hair.

Graded using: COSING.

Last verified: June 9, 2026