GHK Cu Peptides: Unlocking the Copper Peptide Revolution in Skin Care 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 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