Alpha-tocopheryl acetate (ATA) is a specific form of vitamin E used to formulate InstaWhite Mud. Vitamin E is known for its antioxidant properties. Antioxidants help to protect your body from damaging compounds called free radicals. Normally, free radicals form when your body converts food into energy. However, free radicals can also come from UV light, smoke, and air pollution. Alpha-tocopheryl acetate (ATA) is a specific form of vitamin E used to formulate InstaWhite Mud.