Mystery solved. Why does O.J taste so awful after you brush your teeth?

Have you ever brushed your teeth, then immediately had orange juice, and it's the worst taste in the world? Regardless of what flavor toothpaste you use, it still tastes terrible.

Here's the science behind why it happens . . .

There's an ingredient that creates suds in toothpaste called sodiumlaurylsulfate . . . orSLSfor short. It's also in other stuff, like soap and shaving cream.

And one of the side effects when it hits your tongue is it temporarily kills your ability to detect sweet things.

It turns out orange juice is pretty bitter if you remove all the sugar. And since the SLS prevents you from TASTING that sugar, you just taste more of the bitter stuff.

On top of that, SLS also interferes with certain compounds that normally reduce bitterness. So you end up with even more bitter . . . no sweetness to mask it . . . and that's why it tastes so bad.

Now, obviously you can avoid this whole issue if you just wait a few minutes before breakfast. Or you can brush AFTERyoueat.

Just keep in mind, you're supposed to wait 30 minutes to brush if you've had citrus, or it can damage your enamel. 

Get more of the story here from Colgate.

 
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