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 The Best Injection Sites for GHK Cu Peptide Therapy Peptide Therapy for Pain Management and Healing Core Medical & Wellness GHK Cu Peptide Therapy Connecticut Skin Rejuvenation Benefits Mitigating GHK Cu Injection Pain: Tips and Tricks Gabriel Alizaidy, MD, MS posted on the topic LinkedIn