Mitigating GHK Cu Injection Pain: Tips and Tricks Gabriel Alizaidy, MD, MS posted on the topic LinkedIn Bounce Back Better with Peptides for Injury Recovery The Ultimate Guide To GHK CU Peptide Benefits Victory Select Why is the injection site painful after administering GHK Cu (Glycyl L Histidyl L Lysine Copper) 2mg mixed with normal saline? 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 Peptide Injection Reactions: Why Redness and Lumps Happen (And How to Fix Them)