Kalliston deodorant crystal is a natural mineral salt that combats unpleasant body odor. It lets the skin breathe and eliminates unpleasant odor. Active ingredientsPotassium Alum or sour stone: It is the double potassium-aluminum sulfate KAl(SO4)2. It occurs in the form of large, transparent, colorless crystals, which have a sweet taste and become astringent. It does not prevent sweating and has antibacterial properties, also acting as an antiseptic. It is recommended for people with dermatitis, eczema and allergies to products with perfume and preservatives.Use Kristal Deodorant can be applied to the underarms or any other area where you sweat heavily. First moisten it with water and then use it. Let it dry completely before putting the cap back on. Product specifications Ingredients of natural origin Alcohol-free Fragrance-free Without aluminum salts