Definitive Guide on Peptides for Skin and Hair Care Infusion Clinic ABQ Your skin holds a protein called copper peptide and it naturally declines with age. GHK Cu, the star of our RenewMe program, works by replenishing that signal so your body remembers how GHK Cu: The Peptide That Transforms Skin and Tissue Health Calibrate Hydration GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B