Ancient Romans Used Human Urine As A Mouthwash And Whitening Agent

Roman citizens, particularly those who could afford it, believed the ammonia in urine was an effective antiseptic and teeth whitener. This practice, though repulsive by modern standards, was common and even taxed by emperors, highlighting different historical perceptions of hygiene.

Source

https://en.wikipedia.org/wiki/Urine_in_culture

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Published: March 25, 2026
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History Weird Fun Culture Ancient Rome Hygiene Urine Mouthwash Bizarre

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