The first and only FDA approved hair loss pill in the world. It works by inhibiting type II 5-alpha reductase in the body. Commercial names of the drug are Propecia, Proscar and generics are Finpecia & Fincar.
A new drug that many believe to be more effective than Finasteride as it inhibits both type I & type II 5 alpha reductase whereas Finasteride is only effective against type II 5AR. Commercial name is Avodart. Generics are Dutas(by Dr Reddys) & Duprost