You could try a combo of: Korean ginseng, Maca, Horney goat weed, arginine and Acytil-l- Carnitine.
I've expreinced with this combo AFTER stopping finasteride and fluridil, trying to recover as fast as I can, they improve my libido but only for about 24 hours, after that it goes down again (I'm still recovering).
I think that this combo is good (the last two - arginine and Acytil-l- Carnitine sometimes give me bad stomach...), but the price is very high for all that. You might try v**** -it might be even cheaper...