A small travel size natural deodorant stone that is great for taking on holiday its small size means that the normal fight for space in your wash bag between your deodorant shower gel and tooth brush will be a thing of the past salt of the earth natural deo crystal is made purely from potassium alum a natural antibacterial mineral salt that has been used for odour protection for hundreds of years this deo crystal works by leaving a thin layer of natural mineral salts on your skin these min