GHK Cu Copper Peptide Benefits, Uses & Safety Intra V Neurogan Health, GHK Cu Copper Peptide, Hair & Scalp Serum Two Ingredients. Real Hair Transformations. How Neurogan Health's GHK Cu Serum Is Changing What Customers Expect From Hair Care Morningstar Hair Growth Serum Intense with Copper Peptide GHK Cu Mayraki GHK Cu Copper Peptide Shampoo Anti Hair Loss Shampoo Promotes New Peptide Labz