Copper Peptides for Hair Loss & Regrowth Ghkcu Etsy GHK Cu is a powerful copper peptide that supports collagen production, skin and hair health, and tissue repair. It may help reduce fine lines, improve elasticity, and promote faster healing. Want to learn 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 Blue Skies Health & Wellness Clinic Longevity: Functional Medicine for Optimal Health and Wellness