GHK Cu Topical Spray Wells Pharmacy Network 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 Reducing Redness & Inflammation with GHK Cu Copper Peptides Vitali Skincare 2 weeks in on GHK Cu and the glow is REAL. Brighter complexion More even skin tone Less breakouts Softer fine lines Thicker, fuller hair This is just