Mouthwash promises protection against tooth decay and bleeding gums. Indeed, they do deliver more than just minty-fresh breath for certain people, but there's one thing you shouldn't waste time with: ...

Medically reviewed by Amelia MacIntyre, DO Mouthwash is commonly used in oral hygiene routines to help manage and prevent plaque, bad breath, and tooth decay. Mouthwash products can contain ...

Some studies indicate that mouthwash may help to break down the viral envelope around viruses such as SARS-CoV-2, which causes COVID-19. Learn more here.

U.S. Sen. Ron Johnson said this week that mouthwash is one way to protect from COVID-19 but the manufacturer of Listerine and medical experts say studies of the idea haven't yet concluded it's a ...