PENTAPEPTIDE-98 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

PENTAPEPTIDE-98

Safety grade: A

This peptide is a chain of five amino acids that works to support your skin's natural firmness and elasticity. It helps reduce the appearance of fine lines by promoting skin strength from within. You'll commonly find it in anti-aging serums and moisturizers.

Graded using: COSING.

Last verified: June 9, 2026