Acetyl Hexapeptide-1 Best Peptide Anti-Ageing Hydration Acetyl Hexapeptide-1 at a glance A synthetic peptide Composed of the amino acids Helps skin better defend itself from environmental aggressors Can also help promote a visibly more even skin tone Acetyl Hexapeptide-1 description Acetyl hexapeptide-1 is a synthetic peptide composed of the amino acids alanine, arginine, histidine, leucine, phenylalanine and tryptophan. It helps skin better defend itself from environmental aggressors by virtue of a calming effect. This peptide can also help promote a visibly more even skin tone by playing a role in how melanin moves through skin. Related ingredients: Peptides