The Toothpaste Ingredient That Has Experts Worried

How safe is your toothpaste? A flurry of recent news stories about Colgate Total Toothpaste and triclosan, a chemical with a somewhat checkered past, may have you wondering. Triclosan is best known as an ingredient in antibacterial soaps that doesn't seem to offer any extra germ-killing benefits, while possibly promoting drug-resistant bacteria in the environment.…