SH-POLYPEPTIDE-73 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SH-POLYPEPTIDE-73

Safety grade: A

This is a lab-created protein fragment designed to mimic natural protective proteins found in skin. It works by forming a protective barrier on the skin's surface.

This ingredient protects the skin by creating a shield against environmental stressors and helping to maintain the skin's natural protective barrier function.

Graded using: COSING.

Last verified: May 26, 2026

Other Skin Protecting ingredients