Molecular structure of the tripeptide GHK Cu. In solution lysine Download Scientific Diagram GHK Cu Topical Cream PSA] Albeit rare Copper peptide "uglies" are real and scary. Case report and looking for advices : r SkincareAddiction GHK CU Program Calibrate Hydration If your GHK injection site gets irritated try this , 1. Dilute it by adding more water to the syringe , 2. Let it sit until it reaches room temperature , Also, make sure youre rotating injection Mitigating GHK Cu Injection Pain: Tips and Tricks Gabriel Alizaidy, MD, MS posted on the topic LinkedIn