Arm & Hammer ad, 1950
A penny saved Is more than a penny earned when you clean yout teeth with ARM & HAMMER or CUW iJKAisu Baking Soda ... for besides being a most economical dentifrice, Soda helps prevent the growth of acid-forming bacteria that may cause tooth decay! Cleans teeth thoroughly and safely, and leaves your mouth wonderfully sweet and fresh when used as a mouth wash, too ... so keep ARM & HAMMER or COW BRAND Baking Soda on your bathroom shelf. P.S. Accepted by Council on inerapeuucs.. American jjeniai Assn. for use as a dentifrice.