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 GHK Copper Peptide GHK Cu Tripeptide 1 GHK Cu Peptide: What It Does for Body Composition and Metabolic Health GHK Cu Peptide Benefits for Skin and Hair LIVV Natural GHK Cu Copper Peptide for Hair Loss: Results, Mechanism, and What to Expect