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. Copper Peptides for Effective Hair Growth Ghk Cu Shampoo Copper Peptide Hair Growth Best Peptide for Hair Growth Copper Peptide Shampoo GHK Cu before and after : r Biohackers Ghk Cu Peptides Hair Before And After Copper Peptide Serum with 1% GHK Cu peptide, Argireline and Matrixyl 3000