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 Just started GHK Cu? Here's what to expect This isn't an overnight peptide, it builds Weeks 12: You may start noticing small shiftsskin feels a bit smoother, nails a little stronger Weeks 34: Why Collagen Loss Accelerates After 40: The Role of GHK Cu in Menopaus Pure & Cimple Injectable GHK Cu: Beginner's Guide to Copper Peptide