GHK Cu is one of the most talked about peptides in aesthetics right now. But how much of what you have heard about it is actually true? Copper peptide, known as GHK Cu, has Tripeptidecopper complex GHKCu (II) transiently improved healing outcome in a rat model of ACL reconstruction Fu 2015 Journal of Orthopaedic Research Wiley Online Library GLOW (BPC 157 GHK CU KPV TB500) Injections Team Wellcore 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