ACETYL D-THREONYL D-VALYL D-GLUTAMYL D-PHENYLALANINE is graded A (Safe) by Expert·ING, based on COSING regulatory data.

ACETYL D-THREONYL D-VALYL D-GLUTAMYL D-PHENYLALANINE

Safety grade: A

This is a synthetic peptide — a chain of amino acids — designed to support skin's natural structure and resilience. It works by helping maintain skin firmness and elasticity, making it a common choice in anti-aging and moisturizing formulas where it may improve skin texture and appearance over time.

Graded using: COSING.

Last verified: June 9, 2026