While this attempt was unsuccessful, Hammer's Occidental Petroleum in 1986 acquired enough stock for him to join the Church & Dwight board of directors until he died in 1990.

[2] In 2001, Church & Dwight acquired the consumer product line of Carter-Wallace, and MedPointe bought the diagnostics and drug businesses.

[6] In 2003, Church & Dwight bought the U.S. and Canadian rights to Unilever's oral health business, which includes Pepsodent, Mentadent, Close-Up, and Aim.

[6][7] In 2006, Church & Dwight expanded its household brand portfolio with the acquisition of Denver-based Orange Glo International, which included such brands as OxiClean in the laundry pre-wash additive category, Kaboom bathroom cleaners, and Orange Glo household cleaning products.

[8] In 2008, Church & Dwight acquired the Orajel business from Del Labs, including pain relievers for toothache, mouth sore, teething, and non-fluoride toothpaste.