Peptides and Wellness Medications Are GHK Cu Injections Safe Enough? Alternatives Options Neurogan Health GHK Cu Peptide: Hair Regrowth for Thinning & Alopecia 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 you're GHK Cu Copper Peptide: Dosage, Before and After Results, and How It Works Perfect B