Dutasteride is better than finasteride as reported by user below (from Reddit)

One point that I think is worth mentioning is that the deviation in response for Dut is much narrower than it is for fin. Finasteride inhibits 70% +- 18% of Dht while Dut is 94% +- 3%. As you can see, it’s clear why there are about 14% non responders to fin when they may only be inhibiting 52% DHT. With Dut, everyone in the study was above 90% inhibition so you’d have to be terribly unlucky to not...

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