GHK CU Topical Slide Case Holder Locking Top Etsy GHK Cu Topical Spray Wells Pharmacy Network GHK Cu: The Peptide That Transforms Skin and Tissue Health Calibrate Hydration Defy GHK Cu (glycyl L histidyl L lysine) is a naturally occurring copper binding peptide found in human plasma. As levels decline with age, so may its support of the biological processes involved in collagen production, skin Peptide GHK CU Cream Concierge MD