2% GHK CU Copper Peptide Serum for Hair Growth and Scalp Care Seraphime Copper Peptide Hair Growth Serum AHK Cu & GHK Cu + Licorice Peptide Labz Copper Peptide Hair Growth Conditioner GHK Cu for Hair Loss Hairgenetix So excited about this peptide! GHK Cu serum and scalp solution available Fascinating peptide that helps to prevent and reduce fine lines and wrinkles. Applied topically on the scalp for hair growth. GHK Cu Copper Peptide Benefits, Uses & Safety Intra V