Natural anti-perspirant Alum spray.Alum is 100% natural mountain mineral, it consists of mineral salts that are safe for your health. The main advantage of alum is bactericidal effect, so alum is used today as alternative to deodorants and antiperspirants. Its use stops the growth of bacteria responsible for the unpleasant odor of sweat while lightening the sweat glands at the same time, resulting in less sweat production, with no unpleasant side effects. Alum does not stain clothes. It is very efficient.