Feb 13, · Propecia (finasteride) is used for the treatment of male-pattern hair loss, which affects almost 50% of males aged 50 or movierating.info: Emily Miller. Learn about hair loss treatments for women and the in women receiving finasteride. Increased body hair, hair loss is accompanied by excess facial and. Propecia (finasteride) is used for the treatment of male pattern hair loss (androgenic alopecia) in men. Includes Propecia side effects, interactions and indications.