Deorderant problem help pls?

ok so for a few years now I have been using dove fresh scent and its always been good but lately its like making me sweat more or something and it hasnt been keeping the stink away very well. its just a bad mixture of my faint b.o and fresh scent. uck!! does your body get so use to something it stops working? what do you use? mabe i'll start trying that...I just dont like that gel deorderant cause its cold. lol