D-PHENYLALANYL TRIPEPTIDE-75 is graded A (Safe) by Expert·ING, based on COSING regulatory data.

D-PHENYLALANYL TRIPEPTIDE-75

Safety grade: A

This is a lab-created peptide (a tiny protein fragment) designed to help reduce the appearance of fine lines and wrinkles by promoting skin firmness. It works by signaling your skin to maintain its natural structure and elasticity, making it a common choice in anti-aging serums and creams.

Graded using: COSING.

Last verified: June 9, 2026