GHK Copper (GHKCu) is a naturally occurring tripeptide that acts as a potent signaling molecule for hair regeneration., How it works: GHK Cu enhances hair follicle health by promoting angiogenesis and GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link Why GHK Cu Is Missing From Injury Recovery Protocols Revolution Health & Wellness GHK Cu may Prevent Oxidative Stress in Skin by Regulating Copper and Modifying Expression of Numerous Antioxidant Genes