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Why does toothpaste make orange juice taste bitter?

 title: 'An Ingredient in Toothpaste Makes Orange Juice Taste Vile. Here's How.'

Toothpaste makes orange juice taste bitter primarily due to an ingredient called sodium lauryl sulfate (SLS). This detergent disrupts the fat layers in your taste buds, suppressing sweetness while enhancing bitter flavors. As a result, the naturally sweet and slightly acidic taste of orange juice is masked, leading to an unpleasant flavor experience after brushing your teeth[3].

To avoid this clash, consider waiting at least 30 minutes after brushing before consuming orange juice. Alternatively, you can choose SLS-free toothpaste, which won't affect your taste perception in this way[5].


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