GHK Cu Peptide: Hair Regrowth for Thinning & Alopecia GHK Cu Peptide for Skin & Hair Facial Serum & Scalp Solution 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 GHK Cu Peptide Injections: The Future Of Skin And Hair Care GHK CU Before and After Pictures Topical GHK Cu Skin Results, Face Serum Reviews & Photo Results Neurogan Health GHK Cu Peptide: What It Does for Body Composition and Metabolic Health