Hope you didn't get caught out ! Those 2 for 1 etc are often just twice the price of a single if you look on the shelf. They make this display and people pick off that but back at the shelf it's a different story.Should never be allowed.
Many people use mouth wash straight after cleaning the teeth, which in fact you should not do.
,"Using a mouthwash that contains fluoride can help prevent tooth decay, but don't use mouthwash (even a fluoride one) straight after brushing your teeth or it'll wash away the concentrated fluoride in the toothpaste left on your teeth.*
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