GHK Cu Research Overview Copper Peptide Studies GHK Cu Research Compound Power Peptides Natural Copper Peptide Serum Booster GHK Cu Copper Peptide Serum for Face Anti Wrinkle Increase Collagen Anti Aging Peptide Labz GHK Cu is a naturally occurring copper binding peptide that plays a major role in tissue repair and remodeling, with a strong focus in research on skin and hair biology. It works by signaling Copper peptide GHK Cu Wikipedia