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How long is mouthwash good for?

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Never expires. While its effectiveness is long lasting, mint-flavored flosses will lose flavor after 1 year. Toothbrush. 3-4 months of use. An unopened toothbrush never expires. But once in use, it becomes less effective over time. Toss your brush when it starts to fray—about every 3-4 months. Mouthwash. read more

Alcoholic mouthwash should be good for years and years, because bacteria can't grow in that environment. It's possible that the flavoring molecules may degrade over time, or the coloring molecules will degrade over time, but you will not have to worry about it going bad in the same way that food does. read more

Myth 6: Mouthwash is just for your mouth. Mouthwash doesn’t always have to go in your mouth to be useful. It’s a good cleansing product for mouth guards, for instance. Some people also swear by alcohol-based mouthwash for dandruff control, wound care, toilet bowl disinfectant and even underarm deodorizer. read more

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