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 benefits, you need to GHK Cu vs NAD+: Which Longevity Peptide Should You Take or Stack? Bruising with your injections? It is totally normal and usually nothing to stress about., Heres a quick summary on this common experience!, Why it happens:, A tiny capillary gets nicked, Needle 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 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