Why do eastern people wipe themselves with their hand?

In many Eastern cultures, particularly in parts of South Asia and the Middle East, using the left hand for personal hygiene after using the restroom is a traditional practice. This method is often accompanied by water, which is considered more hygienic than using toilet paper alone. The practice is rooted in cultural norms and beliefs about cleanliness, and many people find it to be an effective way to maintain personal hygiene. Additionally, the use of the left hand is generally reserved for this purpose, while the right hand is used for eating and greeting, reflecting the cultural significance of hand usage in daily life.