Neurogan + Health GHK CU Copper Peptide Hair and Scalp Serum PrettyStick Struggling with hair thinning or shedding? Meet GHK Cu, the topical peptide everyone is talking about and NO, it's not an injection! This powerful serum helps: Reduce shedding Hair Growth Serum Intense with Copper Peptide GHK Cu 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 2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Not all hair serums are built the same This one is powered by a dual copper peptide system GHK Cu + AHK Cu Designed to support: stronger feeling hair improved elasticity