GHK cu hard spots at injection site : r Peptides GHK Peptide Injection and GHK Cu Benefits, Uses ,safety 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 How to Maximize GHK Cu Peptide Results with Micro Infusion Celebrity Esthetician Secrets