Finasteride has efficacy in the prevention of male pattern baldness by viue of its ability to:
Reduce the production of DHT Finasteride is a 1-a-reductase inhibitor. It acts by blocking the conversion of testosterone of DHT. It can be used to relieve the static component of BHP (though its beneficial effect is delayed). Due to decrease in DHT, it can cause impotence. It can also be used in he treatment of male pattern baldness and prostate cancer.
Competitively antagonize androgen receptors
Decrease the release of gonadotropins
Inhibit the synthesis of testosterone
Reduce the production of DHT