Ancient Romans did indeed use urine as a mouthwash for its ammonia content, which acted as a cleaning agent.
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History
Urine was valued in ancient Rome for its ammonia, which is an effective cleaning agent. It was used to whiten togas and as a mouthwash due to its antibacterial properties. Romans believed that it could help maintain oral hygiene, making it a common practice. This unusual use of urine reflects the innovative, albeit strange, methods employed by ancient civilizations in their daily lives.
