Copper Peptide Set Complete Hair Growth Treatment (Shampoo, Conditioner & Serum) Hair Growth Serum Intense with Copper Peptide GHK Cu 2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care 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. Private Label Organic Professional Treatment Hair Loss Copper Peptide Hair Growth Serum10% Ghk Cu Hair Growth Serum Ghk Cu Hair Growth Serum and Copper Peptide Hair Growth Serum price