Did You Know Ancient Romans Used Urine as Mouthwash?

[Lee_Sakura]

In ancient Rome, human urine was used for a variety of purposes, including as a teeth-whitening agent. The ammonia in urine acted as a cleaning agent, and Romans used it in their daily dental hygiene routine.

 

[patoowardfan]

That’s wild! Using urine as a teeth-whitening agent sounds like something out of a science fiction novel. The ammonia in it must have been pretty effective, but it’s hard to imagine that being a part of daily dental care today!