Palmitoyl Tetrapeptide-7 Best Peptide Anti-Ageing Palmitoyl Tetrapeptide-7 at a glance Composed of four amino acids + palmitic acid Can fight factors in skin that cause irritation Ongoing use helps restore a firmer feel Palmitoyl Tetrapeptide-7 description Synthetic peptide that’s part of Matrixyl 3000, which also contains palmitoyl oligopeptide, and is believed to work as a skin-restoring ingredient with anti-ageing benefits. This peptide is composed of four amino acids plus fatty acid palmitic acid to enhance stability and penetration into the skin. Peptides have different functions on skin, and this particular peptide, on its own or as part of Matrixyl 3000, helps to replenish skin’s surface and calm visible signs of sensitisation. Related ingredients: Peptides