Arm & Hammer UltraMax is an unscented solid antiperspirant deodorant designed to help control underarm perspiration and body odor. Its active ingredient is Aluminum Chlorohydrate at 19%, which functions as an antiperspirant to reduce underarm sweating. The formula also contains ARM & HAMMER baking soda, a deodorizing ingredient used to help control odor. Its solid format comes in an individual 2.6 oz container. The product is unscented, making it suitable for users who prefer a deodorant without added fragrance. The brand describes the product as providing up to 48-hour protection. It is intended to be applied only to the underarms. The official package has a net weight of 2.6 oz, equivalent to 73 g.