GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true?, Copper peptide, known as GHK Cu, has a growing body of peer GHK Cu: The Regenerative Peptide for Skin, Hair, and Healing Pulse & Remedy Definitive Guide on Peptides for Skin and Hair Care Infusion Clinic ABQ GHK Cu Peptide: Skin Regeneration, Anti Aging & Healing.