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 The research on GHK Cu goes back over 40 years a scientist dedicated his entire career to it. Your body already makes it. You just make about 60% less of it by GHK CU Peptide for Skin Rejuvenation Wittmer Rejuvenation Clinic GHK Cu Copper Peptide Supplement, Promotes Skin Repair, Reduces Wrinkles eBay