SH-OLIGOPEPTIDE-121 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

SH-OLIGOPEPTIDE-121

Safety grade: A

This peptide is a chain of amino acids designed to support skin's natural structure and firmness. It works by helping to strengthen the skin barrier and may reduce the appearance of fine lines. It's commonly used in anti-aging creams and serums to promote smoother, more resilient-looking skin.

Graded using: COSING.

Last verified: June 9, 2026