The terminal elimination half-life (t1/2z) is 4.7 to 7.1 hours; but despite this, slow accumulation occurs with multiple doses. .... A single dose of finasteride suppresses serum DHT levels for up to 4 days, longer than would be expected from the serum terminal elimination half-life (t1/2z) of the drug
It binds to 5ar for five days or so.
Not true u stupid f***.Dht is also what makes a man a man. More so than testosterone. It's ten time more reponsible for your manhood than testosterone.