Reducing the Diseases of Human Aging with GHK Cu Help for Actinic Keratosis and Sun Damage Marks with Copper Peptides GHK Cu peptide for collagen support and skin repair Urge to start ghk cu for scars : r AcneScars This is my third cycle on GHK Cu., My hair is growing. My nails are strong. My skin has improved. , And now Im focusing on those acne scars from my younger days., And honestly? Theyre starting to go I think everything I did for my scars worked synergistically and helped, but if I had to choose one product, it would be GHK Cu (aka copper peptides)., Now one year later I see the resultsand theyve