The ad for Crest's "double-effect" whitening toothpaste had a Taiwanese celebrity saying her teeth were visibly whiter after just one day of using the product. However, the whiteness was mainly due to ...

HONG KONG (Marketwatch) -- Procter & Gamble Co.'s Crest toothpaste brand was hit with a fine of 6.03 million yuan ($1 million) from Chinese regulators for false advertising, as it allegedly used photo ...