PENTAPEPTIDE-54 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PENTAPEPTIDE-54

Safety grade: A

This ingredient is a short chain of amino acids designed to help firm and smooth the skin's appearance. It works by supporting the skin's natural structure and may help reduce the look of fine lines. It's commonly found in anti-aging serums and creams.

Graded using: COSING.

Last verified: June 9, 2026