That may be the surprising case. While nearly 90% of Americans use a form of deodorant, according to a study in Clinics in Dermatology, most are confused of whether to avoid parabens or aluminum in their favorite toiletry, and many cautious consumers avoid both altogether.
Glutaraldehyde, prescribed as 10% aqueous solution59
Methenamine, prescribed as 8% in a cream vehicle 60,61
Glycopyrrolate, prescribed as aqueous solution of 0.5% topical glycopyrrollate62
The best over-the-counter formulation I have encountered is Adidas Cotton Tech Aluminum Free Deodorant ($3.59, Amazon.com ); however, this may not be the best option if you have hyperhidrosis or another condition that requires an extra-strength anti-perspirant. As always, talk to your physician.