Ingredients Hairgenetix GHK Cu, AHK Cu & PDRN Peptides 2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Copper Peptide 10% GHK CU, 5% AHK CU with Oligopeptide 1 Hair Treatment Serum 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