Amazon.com : DIY AHK Copper Peptide Solution AHK Cu Scalp Hair : Beauty & Personal Care Anybody know the correct way of using ahk cu? Do I mix with bac water and inject into abdomen? 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 AHK Cu Copper Peptide Hair Tonic for Fuller Looking Hair Discovery Size (10 mL)