Urine Scientists: Ancient Romans Used Pee to Clean Clothes and Brighten Their Teeth!

Urine Teeth

Want to whiten your teeth? The ammonia in HUMAN PISS does the trick!

From Smithsonian: “In ancient Rome, vessels for collecting urine were commonplace on streets–passers-by would relieve themselves into them and when the vats were full their contents were taken to a fullonica (a laundry), diluted with water and poured over dirty clothes. A worker would stand in the tub of urine and stomp on the clothes, similar to modern washing machine’s agitator.” The Romans also used pee to brighten their teeth.

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