I use Listerine Total Care Zero (alcohol-free). Gargle for at least 45 seconds – This is a lot longer than most people actually hold the mouthwash in their mouth, swish it around, and gargle it at the back of the throat. Mouthwash contains compounds which kill both good and bad types of oral bacteria that contribute to development of plaque and bad breath. I use mouthwash everyday, sometimes twice a day. There are usually two camps of people: Those who find joy in brushing their teeth religiously (for two full minutes each time), flossing every day, and using mouthwash after every brushing. Key features. Get a fluoride rinse – Reading ingredients labels on mouthwash may seem silly, but unless you are getting a good coating of fluoride on the teeth it is essentially a bit of a wasted effort. Listerine Cool Mint Antiseptic Mouthwash should be used twice a day to reach its deep-clean effectiveness. ysmina March 17, 2013 . Every time I brush my teeth & floss (morning, after school & before bed), I have a tendency to use some mouthwash as well (I'm a freak when it comes to keeping teeth clean :P). Using mouthwash twice a day significantly raises the risk of obesity and developing type 2 diabetes, according to a new study. Regardless of which group you feel most comfortable in, […] The post How Often Should I Use Mouthwash? Most mouthwash products recommend that you use them twice per day, after brushing and flossing. It's especially important for people who've had dental work done because mouthwash protects from infections. I also use mouthwash regularly and I think it's an important step in dental care. It says on the bottle to use it twice a day, but it doesn't say anything about two being the maximum. The ingredients in each mouthwash formula vary slightly — … Among persons who used mouthwash at least twice a day, 30 percent developed either prediabetes or diabetes. How does mouthwash work? Mouthwash is the only thing that keeps my breath fresh. Adding a 30 second rinse twice a day is all it takes to get 24-hour germ protection and achieve maximum results. Then there are those who do the bare minimum to keep their pearly whites clean.