AHK Cu Copper Peptide Injection: My Real Experience with This Hair Regrowth Solution Anybody know the correct way of using ahk cu? Do I mix with bac water and inject into abdomen? GHK Cu Peptide Dosage How to Use Copper Peptides, Injections Neurogan Health Lets talk GHK Cu , GHK Cu is a naturally occurring copper peptide that supports:, Collagen production, Tissue repair, Skin rejuvenation, Reducing Inflammation , Healthy aging, As levels