Natura Premium alum stone tube, 120g Composition Raw potassium alum stone (KAl(SO4)2·12H2O) Instructions for use Alum stone is a 100% natural deodorant that can be used on armpits, legs, after shaving, after hair removal, etc. Moisten with water before use and dry afterwards. It is healing, anti-hemorrhagic, firming and antibacterial. It does not stain the skin or clothes. It is non-irritating and suitable for people with allergies. Antibacterial. Odorless. Colorless. Alcohol-free.