SH-DECAPEPTIDE-1 SH-POLYPEPTIDE-9 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SH-DECAPEPTIDE-1 SH-POLYPEPTIDE-9

Safety grade: A

This ingredient is a lab-created protein blend designed to help strengthen and support your skin's natural structure. It works by promoting collagen production and improving skin firmness, making it commonly found in anti-aging and firming skincare products.

Graded using: COSING.

Last verified: June 9, 2026