Ancient Romans used urine as mouthwash, and Portuguese Urine was considered to be primo, only used by aristocrats. What’s more, it actually worked! Urine contains ammonia, which is still used in dental products. Here’s the lowdown.
Ancient Romans used urine as mouthwash, and Portuguese Urine was considered to be primo, only used by aristocrats. What’s more, it actually worked! Urine contains ammonia, which is still used in dental products. Here’s the lowdown.