303 citations
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August 1971 in “The American Journal of Medicine” Melanocytes are destroyed by factors needed for melanin production, causing vitiligo and gray hair.
28 citations
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December 2019 in “Skin appendage disorders” Some medications might reverse gray hair, especially those that reduce inflammation or stimulate pigment production, and vitamin B might help.
19 citations
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January 2012 in “Annals of Dermatology” People need more information about hair dye ingredients and side effects.
8 citations
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January 2013 in “Annals of Dermatology” Korean women dye their gray hair more than men, and it doesn't cause scalp diseases.
6 citations
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January 2007 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Gray hair regained color after thyroid hormone treatment.