GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health Amazon.com : Scalp Delivery AM PM GHK CU Peptide, Hair Growth Serum DHT Blocker, Stem Cells Hair Treatment with Redensyl + Capixyl + Anagain + Procapil Multi Peptide Serum for Hair Density Two Ingredients. Real Hair Transformations. How Neurogan Health's GHK Cu Serum Is Changing What Customers Expect From Hair Care Skinworks GHK Cu peptides are used to potentially promote hair growth, increase hair follicle size, and improve scalp health, often for conditions like androgenetic alopecia. As a regenerative peptide, GHK Cu is