[fsck--off]

> Additionally, I feel increasingly leery about rubbing aluminum under my arms every day.

Then don't use antiperspirants. Regular deodorants don't have aluminum zirconium in them, and in the U.S (I'm not sure about non-U.S regulations) deodorants that do have aluminum in them must declare it as an "active ingredient".

http://www.fda.gov/Cosmetics/CosmeticLabelingLabelClaims/Cos...