GHK Cu Youthful Skin, Healthy Cells, Vibrant You. Mitigating GHK Cu Injection Pain: Tips and Tricks Gabriel Alizaidy, MD, MS posted on the topic LinkedIn Why do glow peptides burn or sting after injection?, If youre using GHK Cu, BPC 157, or TB 500 for skin health, hair, or tissue repair, this is a common question and usually not a problem., Glow Molecular crystal structure of the tripeptide GHK Cu. In solution, Download Scientific Diagram 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 Peptide: What It Does for Body Composition and Metabolic Health