Copper Peptide Hair Growth Serum 10% GHK Cu & 5% AHK Cu Hairgenetix Advanced GHK CU + AHK CU Peptide Hair Growth Serum 30ml Azur Skin Copper Peptide Hair Growth Treatment GHK cu, AHK cu, Licorice Root Extract, Ginseng Root Extact GHK Cu Copper Peptide Hair Tonic for Fuller Looking Hair 12 Week Supply (30 mL) Behind healthier hair is usually a mix of care and consistency. Mayraki Hair Growth Serum Intense with Copper Peptide GHK Cu combines copper peptide to help reduce hair fall with nourishing oils