GHK Cu Peptide: What It Does for Body Composition and Metabolic Health Ever heard of GHK Cu peptide? It's a naturally occurring copper peptide that helps repair tissue, stimulate collagen, and support skin healing. When used in injectable form, it works at a deeper level Definitive Guide on Peptides for Skin and Hair Care Infusion Clinic ABQ GHK Cu Peptide for Skin & Hair Facial Serum & Scalp Solution