OLIGOPEPTIDE-91 SH-POLYPEPTIDE-9 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

OLIGOPEPTIDE-91 SH-POLYPEPTIDE-9

Safety grade: A

This peptide complex is designed to support skin's natural renewal process and help improve texture and firmness. Derived from plant and protein sources, it works by signaling skin cells to maintain elasticity and smoothness. It's commonly used in anti-aging and firming skincare products.

Graded using: COSING.

Last verified: June 9, 2026