Palmitoyl Tripeptide-38 Acetate (Palmitoyl Tripeptide-38 Acetate (1447824-23-8 Free base)) , consisting of three amino acids, is a di-oxidized lipopeptide. The peptide was inspired by a tripeptide that occurs naturally in collagen VI and laminin. It rebuilds the skin from the inside where it is needed, smoothes wrinkles and soothes the skin, especially for forehead lines, crow's feet, forehead lines and necklines.