GHK Cu for hair growth does it actually work? Short answer: no. GHK Cu can be great for skin but when it comes to hair growth, the evidence just isn't there. And this The hype is real. Ghk Cu aka the copper beauty peptide Does it work? Maneup GHK Cu hair growth serum : r tressless If youre playing with raw GHK Cu, heres the secret that makes it actually work on your skin: mix it with hyaluronic acid. , Not microneedling, not fancy devices just a clean HA serum as the GHK Cu Hair & Scalp Serum 2400mg 4% Less Shedding Neurogan Neurogan Health Two Ingredients. Real Hair Transformations. How Neurogan Health's GHK Cu Serum Is Changing What Customers Expect From Hair Care