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 The Effect of the Human Peptide GHK on Gene Expression Relevant to Nervous System Function and Cognitive Decline Medically Guided Hair Treatment Rumen Australia Two Ingredients. Real Hair Transformations. How Neurogan Health's GHK Cu Serum Is Changing What Customers Expect From Hair Care