GHK Cu [50mg] Elixser Peptides 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 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 before and after : r Biohackers Radiance Restore (Epithalon + GHK Cu) Pure Hydration IV Spa in Jacksonville GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true? Copper peptide, known as GHK Cu, has