Intermediate Cu(II) Thiolate Species in the Reduction of Cu(II)GHK by Glutathione: A Handy Chelate for Biological Cu(II) Reduction Inorganic Chemistry GHK Cu is a powerful copper peptide that supports collagen production, skin and hair health, and tissue repair. It may help reduce fine lines, improve elasticity, and promote faster healing. Want to learn Integrins in Health and DiseaseSuitable Targets for Treatment? Integrin Regulation in Immunological and Cancerous Cells and Exosomes Stem cell recovering effect of copperfree GHK in skin Choi 2012 Journal of Peptide Science Wiley Online Library Anybody experiment with GHK Cu peptide yet? Its supposed to help regulate your collagen production.