GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health GHK Cu Capsules Nordsci El GHK Cu (Copper Peptide) for Hair Supports healthier, stronger looking hair Helps nourish the scalp and hair follicles Promotes thicker, fuller appearance Encourages improved 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 GHK Cu Copper Peptide Hair & Scalp Serum