Controversial Chemical Can Linger On Your Toothbrush
![](https://goldenagedentalcare.com/wp-content/uploads/2019/01/controversial-chemical-can-linger-on-your-toothbrush-300x191.jpg)
— Triclosan — a potentially harmful antibacterial agent used in some toothpastes — accumulates in toothbrush bristles, researchers report. This means your exposure to the chemical can continue even if you switch to a triclosan-free toothpaste, the investigators warned. Triclosan is now banned in over-the-counter…