GHK Cu Dosage and Protocol: A Medical Provider's Guide to the 30 Day Cycle Perfect B 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 vs NAD+: Which Longevity Peptide Should You Take or Stack? Are GHK Cu Injections Safe Enough? Alternatives Options Neurogan Health Injectable Peptides for Anti Aging? A Dermatologist Explains GHK Cu