GHK Cu: My secret weapon for skin, hair, and healing, I use it two ways topical cream for my face, and subQ injections 3x a week., It boosts collagen, tightens skin, helps hair grow, and even GHK Cu Topical Cream 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: Reducing Redness & Inflammation with GHK Cu Copper Peptides Vitali Skincare Rejuvenation and Youth with GHK Cu Peptide Treatment Dr. Ahmet zyigit