GHK Cu is getting a lot of attention right now, and for good reason. This is not just a skin peptide. It's a copper binding tripeptide with documented effects on gene expression, collagen synthesis, GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK CU 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