GHK Cu Peptide Before and After Results What is GHK CU (Glycine Histidine Lysine Copper) and how is it used for wound healing? Three amino acids. One copper ion. Decades of research. What makes GHK Cu relevant: 1.Extracellular matrix signaling and collagen pathways 2.Gene expression modulation across tissue models 3.Oxidative stress response mechanisms 4.Cellular repair and Copper Complexes with New Glycyl l histidyl l lysineHyaluronan Conjugates Show Antioxidant Properties and Osteogenic and Angiogenic Synergistic Effects Bioconjugate Chemistry