Clinically proven 24-hour odor and wetness protection. New Tom's of Maine Naturally Dry antiperspirant is clinically proven to help you stay dry and fresh, without artificial fragrances or preservatives. In fact, it applies the same rigorous performance standards of conventional antiperspirants for wetness protection. Naturally Dry AP contains a wetness protection ingredient made from recycled aluminum (which was originally derived from natural mineral bauxite ore). The 24-hour odor protection formula helps keep you fresh all day long and contains an anti-microbial olive leaf extract.