Copper Peptides vs Minoxidil: Best Hair Loss Treatment? BSTBIO Copper Peptide Hair Growth Shampoo GHK Cu for Hair Loss Hairgenetix Epivara (GHK Cu) livenaturalproducts Copper Peptide Hair Growth Serum 10% GHK Cu & 5% AHK Cu Hairgenetix Skinworks GHK Cu peptides are used to potentially promote hair growth, increase hair follicle size, and improve scalp health, often for conditions like androgenetic alopecia. As a regenerative peptide, GHK Cu is 2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Seraphime