What are the potential adverse effects of using GHK Cu (Glycyl Histidyl Lysine Copper) topical peptides for wound healing? Definitive Guide on Peptides for Skin and Hair Care Infusion Clinic ABQ GHK Cu Copper Peptide: The Ultimate Peptide For Longevity GHK Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes GHK Cu is the compound your body made at 25 and quietly stopped making. Most people find it in overpriced serums. Few understand what it actually does, or what happens when you're not