June 2026 in “Clinical and Experimental Dermatology” Alopecia areata can cause rare changes in hair color and thickness.
16 citations
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November 2003 in “Journal of the American Academy of Dermatology” Iron therapy cured the boy's hair color issue.
18 citations
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April 1989 in “Archives of Dermatology” Iron deficiency can cause hair color changes, which can be reversed with iron supplements.
8 citations
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May 2003 in “Clinical and Experimental Dermatology” A 14-year-old girl's black hair showed unique color changes, suggesting early greying.
1 citations
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May 2012 in “Clinical and Experimental Dermatology” Iron can be present in hair color changes without overall iron deficiency.