TLDR Hair can darken after inflammation and then return to its original color.
A 47-year-old professor experienced postinflammatory hair darkening after carbuncles on his scalp healed, with the affected hair turning darker and then reverting to its original color over a year. The document discusses potential mechanisms involving sulfhydryl groups and keratin production, emphasizing the need for further research on postinflammatory pigmentation changes.
38 citations,
February 2002 in “British journal of dermatology/British journal of dermatology, Supplement” Two patients with porphyria cutanea tarda experienced their grey hair turning dark again.
47 citations,
January 2013 in “Indian Journal of Dermatology, Venereology and Leprology” Premature graying of hair may suggest health issues and currently lacks effective treatments.
6 citations,
January 2007 in “Actas dermo-sifiliográficas/Actas dermo-sifiliográficas” Gray hair regained color after thyroid hormone treatment.
5 citations,
August 2003 in “British Journal of Dermatology” Iron deficiency might contribute to hair loss in women.
28 citations,
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.
