PLEASE HELP HAVE QUESTIONS

[big joe]

hey i been reading this site for a while i am 20yrs old about to be 21 and had hair loss sence 18..i been using procerin and slow it down ...i cut my hair low like not even a number for its not so noticable ..i was wondering what was better (finasteride)(Finast)(Finpecia) or Dutas... i still have alot of hair in a way but its all thinnging i been also using Tricomin (just shampoo)and it maid my hair look alil better and lil blond hair are coming up ..not sure if thats anyhting...also if i start someting like finasteride..and say 3nths down the line i want to try rogain ...when i start rogain will i have to shedd again or should i do them both at the same time please let me know thanks alot ..and whats all that about cutting the pills into 5 or 4ths ?? please let me know and thatnks for u help....also i read something about tricomin is as good as rogain or something any one know about hat either?? thansk