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How Neurogan Health's GHK-Cu Serum Is Changing What Customers Expect From Hair Care While competitors fill bottles with 30 ingredients, customers using Neurogan's two-ingredient copper peptide serum are reporting visible hair changes and asking why no one did this sooner SAN DIEGO, April 28, 2026 /PRNewswire/ -- Neurogan Health set out to answer a simple question: how many ingredients does a hair serum actually need

This competition would be enhanced by exogenous administration of folic acid, which could explain why vitamin-supplemented patients do not experience protracted, potentially lethal toxicity

Different forms of copper peptides While GHK-Cu dominates the copper peptide skincare market, other forms exist and understanding their differences helps evaluate product claims accurately

Softens the Look of Fine Lines and Wrinkles