The Church & Dwight origin story begins not in a boardroom or venture capital office, but in a kitchen in New York City in 1846, where Dr. Austin Church and his brother-in-law John Dwight began preparing bicarbonate of soda for commercial distribution by hand-packaging it into paper bags. Their first product was sold under the 'Cow Brand' trademark, with Lady Maud—a prize-winning Jersey cow from the Philadelphia Centennial Exposition—serving as the icon. The product, known as saleratus (Latin for 'aerated salt'), was used primarily in baking and quickly gained traction due to its purity and dependable quality. In 1847, John Dwight formally established John Dwight and Company, and for two decades the Cow Brand dominated the baking soda market. The competitive dynamic shifted in 1867 when Dr. Church's two sons, James and Austin Jr., formed Church & Company to compete directly with their uncle's business. James Church brought the ARM & HAMMER trademark from his previous venture, Vulcan Spice Mills, which had used the arm-and-hammer logo—symbolizing Vulcan, the Roman god of fire, striking his anvil—as a mark of quality. For nearly thirty years, both Cow Brand and ARM & HAMMER baking soda were sold simultaneously by the two separate family entities, each cultivating its own loyal following. The rivalry ended in 1896 when John Dwight & Company and Church & Company merged to form Church & Dwight Co., Inc., with John Dwight serving as the first president until his death in 1903. The merged company continued to market both brands for some time, but the ARM & HAMMER trademark gradually eclipsed the Cow Brand as the company's primary identity. In 1888, Church & Company had begun issuing trading cards bearing the arm-and-hammer trademark to publicize its baking soda and saleratus products, creating one of the earliest examples of consumer brand marketing in American history. These trading cards became collectible items and helped establish ARM & HAMMER as a household name. Around 1915, the company began suggesting that baking soda could serve as medicine, offering a booklet titled 'Home Remedies for Simple Ailments,' and soon advertised baking soda as a tooth cleaner and a cleaner and freshener for laundry and kitchen surfaces. The firm was incorporated as Church & Dwight Co. in 1925. For the next four decades, the company was run by family members in a highly conservative fashion—so much so that the company earned more in some years from its investment portfolio than from its operations. The company's methods of producing baking soda eventually became obsolete, and it turned to outside suppliers for the product. When the output of these suppliers proved insufficient, Church & Dwight began building what would become the world's largest facility for the production of sodium bicarbonate in Green River, Wyoming, completed in 1968. This facility remains the cornerstone of the company's Specialty Products Division and provides the scale economies that make Church & Dwight the leading global producer of sodium bicarbonate. In 1970, the company launched the first nationally distributed, phosphate-free laundry detergent under the ARM & HAMMER brand—a product innovation that capitalized on the emerging environmental consciousness of the era and established ARM & HAMMER as more than just a baking soda brand. In 1972, the company launched its iconic campaign promoting ARM & HAMMER Baking Soda as a refrigerator deodorizer, a use case that dramatically expanded the product's household penetration and created a recurring consumption pattern that persists today. The company's modern transformation began in 2001 with the acquisition of Carter-Wallace's consumer products business, which brought the Trojan condom brand and Nair depilatory brand into the portfolio. This acquisition marked a strategic pivot from a single-product baking soda company to a diversified consumer packaged goods enterprise. The Trojan acquisition was particularly significant because it gave Church & Dwight a #1 market position in a category with high brand loyalty and limited private-label competition. Subsequent acquisitions in 2003 (Unilever's U.S. and Canadian oral care rights, including Pepsodent and Mentadent), 2006 (Orange Glo International, maker of OxiClean), 2008 (Orajel from Del Pharmaceuticals for $383.4 million), 2015 (certain assets of Varied Industries Corporation), 2016 (Spencer Forrest/Toppik and ANUSOL/RECTINOL from Johnson & Johnson), 2017 (Waterpik for $1 billion, Viviscal from Lifes2Good, and Agro BioSciences), 2018 (Passport Food Safety Solutions), 2019 (Flawless from Ideavillage for $475 million plus up to $425 million earn-out), 2021 (TheraBreath for $580 million), 2022 (Hero Cosmetics for $630 million), and 2025 (Touchland for up to $880 million) have built the 14-power-brand portfolio that defines the company today. Each acquisition followed the same pattern: identify a trusted but under-optimized brand, apply Church & Dwight's operational playbook, and expand distribution through the company's centralized retail relationships.