For those of you that take ghk cu, why is this so bad? It's never been this bruised. But is always swollen, red, and burns like hell. I can only tolerate every other Before you decide to begin using the copper peptide, GHK Cu, be aware it stings and leaves behind big, red welts that then leave a lovely bruise. In order to reap the 'glow' GHK Cu is a fantastic peptide but it can burn or bruise some people. Quick options to help reduce that issue. #ghk cu #copperpeptides #KLOW #GLOW #peptides Reducing Redness & Inflammation with GHK Cu Copper Peptides Vitali Skincare bad bruising from ghkcu? : r PeptideDiscussion Does anyone who is taking an injectable medicine get a bruise at the injection site?