GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy Definitive Guide on Peptides for Skin and Hair Care Infusion Clinic ABQ 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 Copper Peptide (GHK Cu): Clinical Uses, Stability & Compounding Tips