The U.S. Food and Drug Administration issued a warning letter, but not a recall, after microorganisms were found in water samples and finished toothpaste products. Regulation and Deregulation of Industry, Teeth and Dentistry, Bacteria, Cosmetics and Toiletries, Microbiology, Colgate-Palmolive Company, Tom’s of Maine, Food and Drug Administration, Maine, Toothbrushes and Toothpaste The U.S. Food and Drug Administration issued a warning letter, but not a recall, after microorganisms were found in water samples and finished toothpaste products. NYT > Business