In toothpaste, SLS kills microbes and reduces plaque, and it also helps make the toothpaste foamier, making it easier to spread around your mouth. However, as Dr Chris van Tulleken discovered in ...

Mouthwash is popular for its germ-killing action, but there’s concern it may have unintended health consequences for the body ...

and humectants to keep the toothpaste from crumbling. Some of these can combat acne. Hydrogen peroxide, for instance, can dry out zits and help kill bacteria. “It’s understandable that people ...

"Please, don't do this." Ingredients in toothpaste can lose their ability to fight off bad bacteria when exposed to sunlight, which can mean brushing twice a day isn't as effective when it comes ...

Toothpaste may contain special ingredients that prevent holes from forming, such as xylitol (pronounced zy-luh-toll). When bacteria in plaque eat xylitol, they release less of the acid that makes ...

The active ingredients in the toothpaste help fight bacteria and microorganisms that can lead to infections. Regular use of ...