Shampoo can clean a greasy collar stain, and 15 other shampoo facts

Did you know the royals used to brag about how few baths they took?

Henry VIII could be smelled from three rooms away, literally, Craig Benzine says in this week's video from our sister site, Mental Floss. And Elizabeth I bragged about only bathing once a month. Those are just some of the strange shampoo-related facts Benzine reveals in the video.

One of the other facts is a surprising lifehack: Putting a bit of shampoo on the inside of a shirt collar can clean up a greasy collar stain. Check out all 16 of the shampoo facts in the video below. —Meghan DeMaria

The Week

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