Matrixyl® 3000 Is based on two peptides: palmitoyl tripeptide and a palmitoyl tetrapeptide. They work synergistically to mimic the appearance of this broken down collagen, causing your skin to react by producing more collagen, as well as elastin. Matrixyl 3000™ works to help skin regain its elasticity, become stronger, and look more youthful. Palmitoyl tetrapeptide 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. A synthetic peptide composed of four amino acids + palmitic acid. Proven to reduce factors in skin that trigger irritation and damage.