Is Aluminum in Deodorant Safe?

Main stream deodorants use aluminum to control smell. The problem is we don't know if aluminum is safe. What we do know for sure is that it offers no benefit, so rubbing it on skin that is close to a high number of lymph nodes and breast tissue may not be ideal. Forestii natural deodorant uses magnesium and zinc to control odour, both of which you can be taken as supplements, resulting in a safe, natural product. 

The notion that the skin barrier stops aluminum from being absorbed does not hold true. Lots of drugs pass through the skin, like estrogen, nicotine and fentanyl patches.