Peptide Dosing Chart Alpha Rejuvenation GHK Cu peptide is the ultimate tool of biohacking your skin. Injectable GHK Cu peptide works as a repair signal inside your skin. And when the skin functions better, the visible effects follow: Reduced New Biotinylated GHK and Related Copper(II) Complex: Antioxidant and Antiglycant Properties In Vitro against Neurodegenerative Disorders GHKCu Copper Peptide Therapy Skin & Healing Regeneration NAD+ GHK_Cu Peptide Patch Medical Imaging and Therapeutics