research IL-15 Is an Unexpected Guardian of Hair Follicle Immune Privilege and Promotes Human Hair Growth Ex Vivo April 2021 in “Journal of Investigative Dermatology” IL-15 helps protect hair follicles from immune attacks and encourages hair growth.
research Efficacy of Tofacitinib in Treatment of Alopecia Universalis in Two Patients 51 citations, June 2016 in “Journal of the European Academy of Dermatology and Venereology” Tofacitinib was effective in treating hair loss in two patients with alopecia universalis.