research 5 mg/Day Finasteride Treatment for Normoandrogenic Asian Women with Female Pattern Hair Loss 64 citations, June 2010 in “Journal of The European Academy of Dermatology and Venereology” Finasteride improves hair density and thickness in women with hair loss.
research Comprehensive Overview of Hidradenitis Suppurativa 27 citations, December 2015 in “Mayo Clinic Proceedings” The document concludes that lifestyle changes and medical treatments can significantly reduce symptoms of Hidradenitis Suppurativa, a chronic skin condition.
research UV Light May Induce Hypertrichosis Through Production of Prostaglandin E2 7 citations, October 2006 in “Medical hypotheses” UV light might cause excessive hair growth by increasing PGE2 in the skin.