Around the year 1000, during the Song Dynasty, China saw a widespread use of soap-like substances and significant improvements in urban sanitation. This period marked an important advancement in public health and hygiene practices, as the use of soap contributed to cleaner living conditions in major cities. The emphasis on cleanliness and hygiene during the Song Dynasty laid the groundwork for future developments in public health and sanitation.

The Chinese use of soap and hygiene during the Song Dynasty around 1000 influenced classical poetry that depicted urban life and personal refinement. Poets like Su Shi celebrated cleanliness and its cultural significance in their verses, intertwining daily life with philosophical reflections.