Hair Growth Serum Intense with Copper Peptide GHK Cu The Science and Benefits of GHK Cu Peptide: Skincare, Hair Growth, and Beyond Two Ingredients. Real Hair Transformations. How Neurogan Health's GHK Cu Serum Is Changing What Customers Expect From Hair Care Morningstar GHK Cu for hair loss. Does it actually work? Let the science answer. Hair loss happens when follicles miniaturize, inflammation attacks them, blood supply weakens, and stem cells go dormant. GHK Cu addresses several