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.