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News provided by Neurogan Health Apr 28, 2026, 10:06 ET 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
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doi: 10.1016/j.plantsci.2007.09.006 13 CostaL.VicenteA
DOI Hexsel DM, Serra M, de Oliveira Dal'Forno T, et al
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