GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link PDF) GHK, the Human Skin Remodeling Peptide, Induces Anti Cancer Expression of Numerous Caspase, Growth Regulatory, and DNA Repair Genes GHK Cu: The Peptide That Transforms Skin and Tissue Health Calibrate Hydration Mitigating GHK Cu Injection Pain: Tips and Tricks Gabriel Alizaidy, MD, MS posted on the topic LinkedIn