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 Product Question] Most effective way to deliver GHK Cu (Copper Tripeptide 1) through skin? : r SkincareAddiction Definitive Guide on Peptides for Skin and Hair Care Infusion Clinic ABQ GHK Cu Peptides Serum TryDeloura