Shed Copper Peptide Hair Growth Serum Take an Rx approach to hair health GHK CU (Scalp Drops) Regen Doctors Cellular Glow Hair Serum 10% GHK Cu + 5% AHK Cu Peptides GHK CU Copper Peptide, Hair & Scalp Serum, 2 oz (60 ml) 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 Cellular Glow Hair Serum 10% GHK Cu + 5% AHK Cu Peptides