Copper Peptides for Hair Loss: How GHK Cu Can Stimulate Hair Growth HapiPatch 3 x hair+scalp serum GHK Cu for hair growth does it actually work? Short answer: no. GHK Cu can be great for skin but when it comes to hair growth, the evidence just isn't there. And this Copper peptides (GHK Cu) have been studied for decades for their role in tissue repair and that same biology applies to hair. Research shows GHK Cu may help strengthen existing hair follicles, reduce 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.