Church & Dwight Canada wants to help brighten your teeth and your bath. It's a subsidiary of Church & Dwight Co., the world's #1 producer of baking soda, with its ARM & HAMMER brand. The company specializes in cleaners for home use, personal care products, over the counter medications, birth control products. Church & Dwight Canada makes ARM & HAMMER laundry detergent and kitty litter, Arrid antiperspirant, Nair depilatories, Pearl Drops toothpolish and toothpaste, First Response pregnancy test, and Trojan condoms. With a manufacturing plant located in Montreal, the Canadian operation also makes Gravol, Dioval, Ovol, Atasol, Sterimar, Rub A535, and other over-the-counter pharmaceuticals.