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 Are GHK Cu Injections Safe Enough? Alternatives Options Neurogan Health BodyPharm GHK Cu My Antidote GHK CU 50mg Peptify GHK Cu Peptide: Hair Regrowth for Thinning & Alopecia GHK CU Research Peptide Alpha Carbon Labs