Amazon.com: Skin Perfection Copper Peptide Serum GHK CU 1% for Face & Hair Copper Peptides for Skin, Hair, & Scalp 1% Blue Liquid for Face, Neck, Body, Scalp Multi Use Serum Booster with Molecular structure of the tripeptide GHK Cu. In solution lysine Download Scientific Diagram GHK Cu Copper Peptide Benefits, Uses & Safety Intra V GHK Cu Copper Tripeptide 1 Research Reagent GHK Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes