Acetyl Heptapeptide-4 is a synthetic peptide with the sequence Ac-Glu-Glu-Met-Gln-Arg-Arg-Ala (molecular formula: C37H64N14O14S; molecular weight: 961.06 Da). It is an acetylated heptapeptide designed to enhance skin health by modulating microbial balance, immune responses, and physical barrier integrity. Its white powder form and high purity (≥95%) make it suitable for cosmetic formulations.
