An inspection this year of a Tom’s of Maine’s facility in Sanford, Maine, turned up several violations, including bacteria in water used to make toothpaste, bacterial growth in another type of toothpaste and “a black mold-like substance” near manufacturing equipment,

Water contaminated with dangerous bacteria was used to manufacture batches of Tom’s of Maine toothpaste, a brand owned by Colgate-Palmolive, according to the U.S. Food and Drug Administration. The FDA said in a Nov.

Tom's of Maine has received a warning from the Food and Drug Administration about a "black mold-like substance," as well as bacteria in the water, at the Sanford factory where its toothpaste is made.