Ghk Cu Shampoo Copper Peptide Hair Growth Best Peptide for Hair Growth Copper Peptide Shampoo Copper Peptide Hair Growth Treatment GHK cu, AHK cu, Licorice Root Extract, Ginseng Root Extact 2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Seraphime Neurogan Copper Peptide Hair Scalp Serum for Fuller Softer Shinier Hair Walmart.com 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