GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B Frontiers Exploring the beneficial effects of GHK Cu on an experimental model of colitis and the underlying mechanisms GHK Cu Peptide Therapy: Anti Aging & Skin Rejuvenation Desert Mobile Medical Desert Mobile Medical, PLC 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