Biork Crystal Deodorant is a totally natural and sustainable deodorant made in Switzerland. A long lasting, fragrance free and plastic free deodorant. Biork Deodorant is made from a natural mineral compound of alum and potassium crystals, and free from Aluminium chlorides. Packaged in a sustainable Portuguese cork outer tube, which can be composted after use, this is a great eco-friendly and zero-waste deodorant.