The purpose of this mobile application is to offer a complete guide to participating in the Sweat2Much: Argyle study, a clinical research study that evaluates an investigational treatment for axillary hyperhidrosis. The Sweat2Much application contains instructions for applying the study product, how to prepare for visits to the clinic and what to do during the time your are in this study. It also offers an instructional video, automatic reminders and simple instructions.