GHK Cu Peptide Serum 30 ml, Copper Peptide Serum with Hyaluronic Acid for Tightening, Collagen Boosting Copper Peptide Moisturizer GHK Cu Anti Aging Face Cream GHK Cu Copper Peptide Benefits, Uses & Safety Intra V People are searching for the GHK Cu pen. Ordering it online. Trying to figure out how to use it safely at home. We looked at all of that and thought: there has to GHK Cu Peptide Therapy: The Definitive Clinical Guide to Gene Modulation, Protocols, and Efficacy 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