Xray and Solution Structures of CuIIGHK and CuIIDAHK Complexes: Influence on Their Redox Properties Hureau 2011 Chemistry A European Journal Wiley Online Library The Human Tripeptide GHKCu in Prevention of Oxidative Stress and Degenerative Conditions of Aging: Implications for Cognitive Health Pickart 2012 Oxidative Medicine and Cellular Longevity Wiley Online Library Everyone's calling GHK Cu a miracle peptide But let's separate marketing from mechanism. GHK Cu isn't magic. It's a signal. A signal that: Supports tissue repair Modulates inflammation Enhances collagen + Reactive oxygen generation by minimal copper binding peptide motifs bioRxiv