The alum stone is known for its properties as a natural antibacterial and astringent, which are beneficial to control the excessive sweating. Apply it on the armpits, it creates a thin protective layer that prevents the proliferation of bacteria responsible for unpleasant body odors.
The alum stone contains potassium, which is needed to regulate the balance of the skin.
Unlike antiperspirants and commercial, which often contain chemicals potentially irritating, the alum stone is non-toxic, making it safe for everyday use. It does not block your sweat glands, as do the antiperspirants, but it helps to regulate perspiration and prevent body odors.
It is important to note that the alum stone must be selected, and grade A+.