WO2019167070A1 Topical copper tripeptide composition and process of preparation. Google Patents GHK Cu Peptide Foundry Premium Research Peptides After a year of using GHK Cu both topically and going deeper than topicals (under my doctor's care), the difference in my skin is not something I have to squint at in good What is the recommended protocol for using GHK Cu (Glycyl Histidyl Lysine Copper) peptide in clinical practice for wound healing and tissue repair? 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