A new study shows that triclosan from toothpaste can accumulate in toothbrushes. The chemicals in your toothpaste can accumulate on your toothbrush — and even after you change to a different brand, ...

Toothpaste leaves your mouth feeling clean and tingly, but how does it leave your toothbrush? New research shows that compounds in toothpaste, including the antimicrobial agent triclosan, can build up ...

The chemicals in your toothpaste can accumulate on your toothbrush — and even after you change to a different brand, the original chemicals can stick around, a new study found. Researchers examined ...