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 Revitalize Your Skin: The Benefits of Copper Peptide for Youthful Glow Mitigating GHK Cu Injection Pain: Tips and Tricks Gabriel Alizaidy, MD, MS posted on the topic LinkedIn Injectable GHK Cu: Beginner's Guide to Copper Peptide Two Weeks on GHK CU by Rory Uphold The Ladies Room A Dermatologist's Take on the Copper Peptide (GHK Cu) Trend