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 GHK Cu Copper Peptide 100MG Planet Peptide GHK Cu 100mg CAS 89030 95 5 STATPeptides GHK Cu Peptide: Benefits, Skin Repair & Anti Aging Explained Copper Peptide Supplement GHK Cu Peptide Supplement Copper Peptide Capsules For Hair, Skin & Nails Cellular Health Capsules For Cellular Repair