What is a good deodorant for underarms women when premenopausal nothing seems to work?

Drysol: The best I have found is Drysol.

The cause?: Although antiperspirant may help, you need to find out the cause for what one presume the very offending odor. For example, is there any evidence of infection in the area? Some people have a metabolic disorder which gives out a rotten fish odor which no deodorant or antiperspirant can overcome. Tell us a little more about your problem.