Circa 100 BC, the ancient Romans utilized urine collected from public latrines for its ammonia content to clean and whiten wool garments. This practice highlights the resourcefulness of Roman society in utilizing available materials for everyday tasks. The use of urine in laundry reflects broader themes of hygiene and textile maintenance in ancient Rome, showcasing the intersection of culture and economy in daily life.

The ancient Roman use of urine for laundry cleaning around 100 BC was satirized in works by poets like Juvenal, who used it as a commentary on urban life and economic practices. This humorous yet critical lens provided insight into the daily realities of Roman society.