AHK CU Peptide for Hair Growth Plu Labs Discovery Size (10 ml) Copper Peptide 10% GHK CU, 5% AHK CU with Oligopeptide 1 Hair Treatment Serum Copper Peptide GHK CU, AHK CU Peptide Hair Growth Treatment Serum Dual Peptides eBay Infinity Skincare's new Copper Peptide Range also extends to hair care! Experience healthy and vibrant hair with our Copper Peptide AHK Cu Scalp Serum. Designed to promote hair growth and reduce dandruff in Copper Peptide Hair Growth Treatment GHK cu, AHK cu, Licorice Root Extract, Ginseng Root Extact GHK Cu vs AHK Cu: Which Copper Peptide Is More Effective?