Unusual mouthwash
Many of us have tried all kinds of products to freshen our breath and whiten our teeth. What about using human liquids? While you might wince at the thought now, this was once the thing to do. In fact, Ancient Romans were so determined to get white teeth that they would import Portuguese passings to make sure they had the best on offer. Why Portuguese?
It was thought that theirs was the most potent on the planet. It became such a widespread practice that the Roman emperor Nero actually started to tax the stuff. Amazingly, the ammonia found in the liquid actually does whiten people’s teeth and is still used in many toothpastes today. Thankfully, it’s derived from another source that’s a lot less icky.
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