Is it OK to brush teeth in airport bathroom?

If you're on a long flight, brush after eating. You can freshen with mouthwash after waking up on an overnight flight. Or, if you have time during a layover, you can do your entire oral care routine as you normally would. Brushing teeth in an airport bathroom is not weird!



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Why is it bad for you? Airplane tap water is stored in on-board tanks that house the liquid for tea, coffee, and to service the restrooms. These tanks are often stored without cleaning for long periods at a time, leading to the potential build-up of bacteria in the stagnating water.

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As a general rule, yes, you can bring toothpaste on a plane. However, there are rules surrounding how much toothpaste you can bring in your carry-on luggage. What is this? The reason for these limitations surrounding toothpaste in carry-on luggage is because toothpaste is considered a gel.

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To be extra safe, the CUNY researchers advised people never to drink water onboard a plane that does not come from a sealed bottle. They also said passengers should not drink coffee or tea brewed on their flight, and that they should even use hand sanitizer instead of washing their hands with onboard water.

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