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 STOP the GHK Cu itch!, The secret to a painless GHK Cu injection? The 15 Minute Rule. , Injecting cold, acidic peptides causes mechanical and chemical stress on your cells. , To lower the sting:, Mitigating GHK Cu Injection Pain: Tips and Tricks Gabriel Alizaidy, MD, MS posted on the topic LinkedIn What Is GHK Cu? The Copper Peptide That Rejuvenates Skin 7 days on GHK Cu. Here's my honest update. I'm not going to hype this up because the real results don't even start until week 46. But something is already happening.