GHK Cu as a multifunctional copper peptide: synthesis routes, process engineering and emerging applications Systems Microbiology and Biomanufacturing Springer Nature Link GHK Cu (Copper Peptide) is a naturally occurring peptide in the body that binds with copper to support cell repair and renewal. As we age, our levels decrease and thats where supplementation or Injectable Peptides for Anti Aging? A Dermatologist Explains GHK Cu GHK Cu: The Peptide That Transforms Skin and Tissue Health Calibrate Hydration Bounce Back Better with Peptides for Injury Recovery Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms