GHK Cu Peptide Therapy Brea, CA Orange County 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 The Peptide Craze Ground Truths The tripeptide GHKCu complex ameliorates lipopolysaccharideinduced acute lung injury in mice Oncotarget GHK Cu Copper Peptide: The Ultimate Peptide For Longevity