I did stop the aluminum deo after the summer holiday this year. I stank terribly in the beginning, took a few weeks for that to go away. I used Bentonite clay packs on my armpits to speed up the detox.
I use Wombats Iodine salve as a deo now, it works great! Smells good too, and is very soothing to the skin. You're not insulted by this I hope Wombat :-)