The maker of Listerine mouthwash will spend $2 million to replace what a judge called misleading advertising suggesting the product is as effective as flossing at fighting plaque and gingivitis. About ...

Once, in a simpler time, mouthwash makers seemed content telling customers their products vanquished bad breath. Now, everything is more complicated, including mouthwash ad claims. A print ad in ...

Pfizer, Inc., the maker of Listerine, has filed suit against Procter & Gamble for alleged false advertising claims that give P&G unfair advantage in the mouthwash category. Pfizer said that P&G TV ...

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