Why doesn't tear-free shampoo sting your eyes?


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Author's Note: Why doesn't tear-free shampoo sting your eyes?

I have a confession. Something happened the moment I read "Why doesn't tear-free shampoo sting your eyes?" And it was an internal dialogue that went something like this: "Because manufacturers use the same eye-burning ingredients in adult shampoos and sneak in anesthetics so babies don't feel it." Turns out, by the time I'd done oh-about-10-minutes-of-research, I knew I'd fallen victim to urban legend, too. How embarrassing.

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Sources

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