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 GHK Copper Peptide Concentrate, cumpr ingredient cosmetic Copper Peptide Hair Growth Serum Stimulate & Prevent Loss Copper Peptides for Hair Growth Ultrastrong 10% GHK Cu Serum 7x Absorption Made in USA Copper Peptide 10% GHK CU, 5% AHK CU with Oligopeptide 1 Hair Treatment Serum