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 Peptide: Hair Regrowth for Thinning & Alopecia Neurogan Health, GHK Cu Copper Peptide, Hair & Scalp Serum GHK Cu (Copper Peptide) Cream 30gm Valhalla Vitality GHK Cu Scalp Serum Copper Peptide for Hair GOAL.MD GHK Cu Copper Peptide 0.5% (topical foam)