Wholesale AHK CU + GHK CU Hair Serum Pro for your store Faire AHK CU vs. GHK CU Differences, Benefits & Which Copper Peptide Is Best for Hair Growth Neurogan Health AHK Cu vs GHK Cu : Benefits and Applications Pure science. Powerful results. Experience Pure Copper Power with Hairgenetix's Extra Strength Copper Peptide Hair Growth Serum, formulated with 10% GHK Cu and 5% AHK Cu to support hair growth where it matters most AHK Cu (Raw) 1g Ion Peptide