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 GHK Cu for Skin: SIGNAL's Guide to Rejuvenation How to Mitigate GHKCU Burn and Stinging Effectively All About GHK Cu Peptide More Than Just Cosmetic YouTube GHK Cu Revival Clinic The Best Injection Sites for GHK Cu Peptide Therapy