PENTAPEPTIDE-117 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PENTAPEPTIDE-117

Safety grade: A

A lab-made protein fragment designed to help firm and smooth skin by stimulating collagen production. This peptide works on the skin's surface to reduce the appearance of fine lines and improve skin elasticity, making it a common choice in anti-aging serums and creams.

Graded using: COSING.

Last verified: June 9, 2026