A warning has been issued for UK households with Listerine in their bathrooms. A dentist has revealed the reason why you shouldn’t use mouthwash straight after brushing your teeth.

A leading dental expert has issued a warning about a common oral hygiene habit that could be undermining your dental health: using mouthwash immediately after brushing your teeth.

Dr Deepa from Whites Dental, who regularly shares oral health tips online, says that rinsing with mouthwash after brushing can wash away the fluoride from your toothpaste – a key ingredient that helps strengthen teeth and prevent cavities.

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"After brushing, you should spit but avoid rinsing your mouth straight away," she explains.

"Leaving the fluoride on yo

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