Copper Peptide 10% GHK CU, 5% AHK CU with Oligopeptide 1 Hair Treatment Serum This is what the combination of microneedling, peptides and consistency can do These photos are results from scalp restoration using GHK CU from @neuroganhealth How does this treatment work? Microneedling is used Peptides for Hair Growth: GHK Cu, BPC 157, and GHK Biotin 89030 95 5 GHK Cu Gly His Lys Cu Copper Tripeptide 1; Prezatide copper