Welcome to Hydrosal Professional, a site designed to help you learn more about how to stop excessive sweating and treat hyperhidrosis. Explore the tabs and discover hyperhidrosis causes as well as various options for hyperhidrosis treatment including how Hydrosal professional can help reduce excessive underarm sweating. Hydrosal Professional is not a regular deodorant for excessive sweating but rather a specially formulated proprietary gel which contains 15% aluminum chloride hexahydrate combined with 2% salicylic acid that is proven to be more effective than other aluminum salts typically used in regular antiperspirants.