Lynnet Bannion wrote:

> If an item says "alum" it contains aluminum.

Following is found on:
http://www.deodorantstones.com/testpage.ivnu

"ALUM and ALUMINUM are two different substances, with
distinct chemical signatures. They possess different
chemical properties which create different chemical
attributes."

As described in the above-referenced link, the
difference between the potassium alum found in crystal
deodorants and aluminum chlorhydrate or aluminum
zirconium used in other brands, is that potassium alum
is not absorbed into the system, whereas the compounds
aluminum chlorhydrate or aluminum zirconium can be
absorbed.



Lynda Bryson
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