AHK CU + GHK Cu Hair Serum Pro 4800mg Hair Growth Neurogan Ingredients Hairgenetix GHK Cu, AHK Cu & PDRN Peptides Two Ingredients. Real Hair Transformations. How Neurogan Health's GHK Cu Serum Is Changing What Customers Expect From Hair Care Restoracell with Copper Peptides, a Great Partner for Microneedling Vitali Skincare 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 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