Copper Peptide Hair Growth Treatment GHK cu, AHK cu, Licorice Root Extract, Ginseng Root Extact GHK CU Copper Peptide, Hair & Scalp Serum, 2 oz (60 ml) Copper Peptide Hair Growth Serum GHK Cu Copper Peptide Hair & Scalp Serum Private Label Organic Professional Treatment Hair Loss Copper Peptide Hair Growth Serum10% Ghk Cu Hair Growth Serum Ghk Cu Hair Growth Serum and Copper Peptide Hair Growth Serum price