More than hair its cellular support , GHK CU is a well studied copper peptide known for its role in supporting:, Healthier looking hair & scalp environment, Hair that appears thicker, GHK Cu Hair Growth Ghk Cu Shampoo Copper Peptide Hair Growth Best Peptide for Hair Growth Copper Peptide Shampoo AHK CU + GHK Cu Hair Serum Pro 4800mg Hair Growth Neurogan 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