TRIPEPTIDE-73 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

TRIPEPTIDE-73

Safety grade: A

A naturally-derived protein fragment that helps strengthen and support skin's structure, this ingredient works to improve skin firmness and elasticity over time. It's commonly used in anti-aging serums and creams to help reduce the appearance of fine lines and keep skin looking smoother and more youthful.

Graded using: COSING.

Last verified: June 9, 2026