Product Name: Pal-Tripeptide-1; Pal-GHK INCI Name: PALMITOYL TRIPEPTIDE-1 Molecular Formula: C30H54N6O5 Molecular Weight: 578.79 Appearance: White crystalline powder Purity: 99% CAS Number: 147732-56-7 Standard: Enterprise Standard Supplier: ZhenYiBio Palmitoyl tripeptide-1 is a small three-amino acid signal peptide with the amino acid sequence of Glycine-Histidine-Lysine (GHK). GHK attaches to palmitic acid (a fatty acid) to increase its skin permeability and oil solubility. Applying palmitoyl tripeptide-1 directly to the skin can stimulate the cells to produce more and newer collagen. It takes at least 1 month or more to start seeing visible changes in new collagen.