Wellness peptide craze: why people are injecting drugs 'not for human consumption' The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget GHK Cu Copper Peptide Benefits, Uses & Safety Intra V A lot of people asked how I use GHK Cu (copper peptide) with a pen device, so here's a quick tutorial showing exactly how I do it. In this video I show how