SH-POLYPEPTIDE-157 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SH-POLYPEPTIDE-157

Safety grade: A

This is a plant-derived protein that works to strengthen and protect your skin's outer layer. It helps improve skin texture and firmness by supporting the natural structure of your skin. You'll often find it in anti-aging and moisturizing products designed to keep skin looking smoother and more resilient.

Graded using: COSING.

Last verified: June 9, 2026