Purified Water (Aqua), Potassium Alum (Natural Mineral Salts), Natural Fragrance made with essential oils and extracts, Cellulose (plant derived), Sodium Bicarbonate, Benzoic Acid (natural preservative), Zinc Gluconate (natural preservative)
Aluminum chlorohydrate, aluminum chloride, aluminum hydroxybromide, or aluminum zirconium are types of aluminum are widely used in antiperspirants and deodorants.
The aluminum in crystal deodorant stones is a different type of compound known as an alum, the most common form being potassium alum, also known as potassium aluminum sulfate.
Potassium alum or ammonium alum are natural mineral salts made up of molecules that are too large to be absorbed by your skin. They form a protective layer on your skin that inhibits the growth of odor-causing bacteria.