GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective? AHK CU (Copper Tripeptide 3) 50mg High Purity Peptides: Online Wholesale and Retail Small molecules. Powerful results. Experience Peptide Power with Hairgenetix's advanced Copper Peptide Hair Growth Serum, formulated with 10% GHK Cu and 5% AHK Cu to support hair health at the follicle level. Helps AHK CU 100mg Next Age Peptides Buy AHK Cu AHK Cu: what kind of peptide it is, properties, features, and use in cosmetics Wholesale AHK CU + GHK CU Hair Serum Pro for your store Faire