METHIONYL SH-POLYPEPTIDE-92 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

METHIONYL SH-POLYPEPTIDE-92

Safety grade: A

This is a lab-created protein complex designed to help strengthen and support your skin's natural structure. It works by reinforcing the skin's protective barrier and improving elasticity, helping your complexion look firmer and more resilient.

Graded using: COSING.

Last verified: June 9, 2026