5 Peptides PowerCopper Peptide Hair Growth Serum GHK CU + AHK CU Complex for Thicker Hair Scalp Recovery & Follicle Support Multi Peptide Hair Care Formula TikTok Shop 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 GHK Cu vs AHK Cu: A Scientific Comparison of These Peptides Peptide Tech R 10% Ghk Cu + 5% Ahk Cu Copper Peptide Hair Density Serum Copper Peptide Hair Growth Serum 10% GHK Cu & 5% AHK Cu Hairgenetix