Life Hack #1

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After brushing, spit out any excess toothpaste. Don’t rinse your mouth immediately after brushing, as it’ll wash away the concentrated fluoride in the remaining toothpaste. This dilutes it and reduces its preventative effects.

Origin:
[NHS advice](https://www.nhs.uk/live-well/healthy-body/how-to-keep-your-teeth-clean/)

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