GHK CU The Rejuvenate & Wellness Center GHK Cu HGH & Peptides Deus Medical GHK Cu Injectable Team Wellcore If your GHK Cu or MOTS C injection leaves welts and burns like a hornet, it's usually not the peptide it's the technique. A few small tweaks can turn a sting into almost 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