Radiance Restore (Epithalon + GHK Cu) Pure Hydration IV Spa in Jacksonville GHK Cu before and after : r Biohackers GHK Cu [50mg] Elixser Peptides 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 Buy GHK Cu Peptide (200mg) BiotechPeptides 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