main purpose: long term maintenance, better regrowth than propecia
overview: dutasteride is the newest treatment on the market that may soon be approved by the fda for treatment of hair loss. it is in the class of dht inhibitors, however it inhibits both types of 5-alpha enzyme whereas propecia inhibits only one. men experienced 50% more regrowth on dutasteride than on propecia, however there is no established side effects statistics for dutasteride at this time. this may be a significant issue.