HELP! Deodorant won’t work

So I hate smelling bad. I hate it with a passion. And lately it feels like no matter what I do my armpits end up smelling awful. I was doing pretty good for a while, and I kept using that same deodorant (maybe a different scent) and it started to smell bad. So my friend said my body could be used to the deodorant. I didn’t know if that was true but obviously this one wasn’t working. So I got a new one. This one had a scent I wasn’t a fan of and then when it mixed with my sweat it smelled awful. So I got ANOTHER deodorant. I should also mention I think all of them doubled as anti perspirants too.

I’ve shaved, washed with different soaps and used a scrub under there to exfoliate. This new deodorant is better than before but not by much. Doesn’t matter if it’s on at night or morning, by the time I get home I smell gross.

Help me?