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 GHK Cu Scalp Solution Empower Pharmacy Peptide Therapy for Hair Growth: Explore Your Options GHK Peptide Injection and GHK Cu Benefits, Uses ,safety And we're back with our GHK Cu peptide injection pen. Here's how to use it, and where. More coming soon ;) #ghkcu #ghkcucopperpeptide #peptides