January 2007 in “Journal of the American Academy of Dermatology” A 73-year-old man's grey-white hair turned dark brown after eczema treatment.
17 citations
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January 2015 in “Dermatology online journal” A patient's grey hair regained color during treatment with adalimumab.
Hair can naturally regain color, and stress might influence greying and its reversal.
36 citations
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September 2011 in “British Journal of Dermatology” White hair grows thicker and faster than black hair due to higher activity of growth-related genes and proteins.
56 citations
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November 2010 in “Pigment Cell & Melanoma Research” Brain hormones significantly affect hair color and could potentially be used to prevent or reverse grey hair.