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It targets tissue repair and inflammation, not skin or hair appearance

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

Supply chain traceability

These can help support glow, softness, and hydration

Mass-based analysis, copper-specific measurements and other techniques answer different analytical questions