GHK Cu Peptide: What It Does for Body Composition and Metabolic Health 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 Definitive Guide on Peptides for Skin and Hair Care Infusion Clinic ABQ GHK Peptide Injection and GHK Cu Benefits, Uses ,safety