Copper, Collagen, and Controversy: Inside the GHK Cu Buzz Week 1 GHK Cu scalp protocol. Noticed subtle changes in hair texture and appearance already. Tracking progression weekly. #GHKCu #HairGrowthJourney #ScalpHealth #Biohacking #hairexperiment So excited about this peptide! GHK Cu serum and scalp solution available Fascinating peptide that helps to prevent and reduce fine lines and wrinkles. Applied topically on the scalp for hair growth. Ghk Cu Shampoo Copper Peptide Hair Growth Best Peptide for Hair Growth Copper Peptide Shampoo