Why Toothpaste Makes Orange Juice Taste Bad

Brow Beat
Slate's Culture Blog
May 22 2013 1:51 PM

Why Toothpaste Makes Orange Juice Taste Bad

The American Chemical Society has a video series called Bytesize Science, and their latest episode provides an answer to one of life’s essential mysteries: Why does orange juice taste so bad after you brush your teeth?

Apparently, the sodium lauryl sulfate that helps the toothpaste create suds in your mouth also messes with your taste receptors. Or, at least, that is the “most widely accepted explanation,” according to this video. Now I’m off to look up the other theories.

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David Haglund is a senior editor at Slate. He runs Brow Beat, Slate's culture blog.

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