After the miraDry treatment, your underarm sweat and odor glands will be eliminated. While your body does need sweat glands to cool itself, your body contains 2-4 million sweat glands – only about 2% are found in your underarms. Eliminating this 2% of sweat glands does not affect your body’s ability to cool itself. With over 30,000 treatments worldwide, you can feel confident and safe with your sweat-free underarms.