Bentonite For Ponds Switching To Natural Deodorant And Bentonite Clay?

Switching to natural deodorant and bentonite clay? - bentonite for ponds

I use natural deodorant for about a year and have my shoulders realizied darker and the skin peeling. I think this happens because the aluminum (UN-natural deodorant detoxifiying with age) in my body. What I want for this darkening of the end and under the arms as never before, I'm on natural deodorant without aluminum. What should I do? Can I bentonite under the armpits?