Palmitoyl Hydroxyprolyl Dipeptide-73 Hydroxyprolyl Dipeptide-33 Amidopropyl Diglycolpropylamine is the synthetic peptide consisting of Hydroxyproline, Dipeptide-73, Hydroxyproline, and Dipeptide-33, which has been modified by Palmitic Acid at the N-terminus and Bis-Aminopropyl Diglycol at the C-terminus.