Dimeric copper peptide incorporated hydrogel for promoting diabetic wound healing Nature Communications The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective? WO2019167070A1 Topical copper tripeptide composition and process of preparation. Google Patents GHK Cu is the compound your body made at 25 and quietly stopped making. Most people find it in overpriced serums. Few understand what it actually does, or what happens when you're not