Palmitoyl Tripeptide-28 is the reaction product of palmitic acid and tripeptide-28. Palmitoyl Tripeptide-28 is the key in the regeneration of extracellular matrix as it stimulates the proteins synthesis in the extracellular matrix, inhibits the metalloproteinases that degrade the collagen, stimulates the production of proteases inhibitors and the synthesis of integrins.