6 month GHK CU check in Main takeaway: skin transformation takes time. GHK CU peptide binds to copper and activates genes involved in wound healing, collagen synthesis, and skin remodeling. On the face, this translates 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 Reducing the Diseases of Human Aging with GHK Cu Help for Actinic Keratosis and Sun Damage Marks with Copper Peptides Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit