Go natural with Crystal Crystl Rock Deodorant Spray Unscented (1x4 OZ). Crystal is the world's leading natural mineral salt deodorant for a reason. It works to prevent odor while other products attempt to mask it or plug pores with aluminum chlorohydrate or aluminum zirconium. Crystal is safe, healthy and totally effective.. (Note: Description is informational only. Please read the ingredient label on the product for more information and always consult your health professional with any questions prior to use.)