Inhibits the activity of 5-alpha-reductase that converts testosterone to dihydrotestosterone (that is responsible for male pattern baldness).
ຫ້າມກິດຈະ ກໍາ ຂອງ 5-alpha-reductase ທີ່ປ່ຽນ testosterone ໃຫ້ເປັນ dihydrotestosterone (ນັ້ນແມ່ນຄວາມຮັບຜິດຊອບຕໍ່ການມີເພດ ສໍາ ພັນໃນເພດຊາຍ).