18 citations,
January 1996 in “Gynecologic and obstetric investigation” The oral contraceptive alone is the preferred treatment for hirsutism, as adding the GnRH analog showed no significant benefit.
4 citations,
January 1991 in “Journal of dermatological treatment” Goserelin and oestradiol treatment slightly improved hairiness but did not significantly change sebum production or hair characteristics in mildly hirsute women.
July 2024 in “Reactions Weekly” 
9 citations,
January 2018 in “Journal of the European Academy of Dermatology and Venereology” A male patient developed frontal fibrosing alopecia after antiandrogen therapy for prostate cancer.
Finasteride reduces prostate cancer risk but may increase high-grade tumors; new drugs and better diagnosis are in development, but funding and industry commitment are challenges.