Copper Peptide Shampoo & Conditioner Set GHK Cu Hair Care Hairgenetix GHK Cu (Copper Peptide) has emerged as one of the most promising regenerative peptides for hair restoration due to its ability to stimulate follicular activity, improve scalp circulation, reduce inflammation, and prolong the GHK Cu Hair Growth Copper Peptide Hair Growth Serum AHK Cu & GHK Cu + Licorice Peptide Labz