GHK CU Topical Serum 30ml Azur Skin Longevity: Functional Medicine for Optimal Health and Wellness GHK Cu Peptide Copper Peptide Research Beyond Peptides 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 Evolve Rewind the Clock with GHK Cu (Copper Peptide)! Experience the skin rejuvenating power of copper peptides now available at Evolve TX Medical Group! Smooth wrinkles Boost collagen Magic Serum Booster DIY 100% Copper Peptide Solution Gives Your Skin H DNA Code Skin Care