222 citations,
September 2016 in “JCI insight” Tofacitinib is safe and effective for severe alopecia areata, but hair loss may return 2 months after stopping treatment.
238 citations,
November 2016 in “Journal of The American Academy of Dermatology” Tofacitinib is effective and safe for severe hair loss, but full regrowth is less likely after 10 years of hair loss.
139 citations,
November 2016 in “Journal of the American Academy of Dermatology” Tofacitinib helped regrow hair in most adolescents with alopecia areata, but more research is needed.
48 citations,
November 2017 in “Journal of the American Academy of Dermatology” Tofacitinib 2% ointment helped hair regrow in 3 out of 10 patients with alopecia areata, but caused side effects like scalp irritation and raised cholesterol in some.
40 citations,
September 2018 in “Journal of the American Academy of Dermatology” Tofacitinib helped some young children with severe hair loss grow their hair back without bad side effects.