With good disposable wash cloths, you can clean and keep up proper hygiene easily without needing to be concerned of what to do with the cloth afterwards. After all, they're disposable and so you can just throw it away. With the use of disposable hygiene products, there's less concern about needing to wash and disinfect whatever you're using once you're done cleaning and can just throw it right into the garbage can. And it's not just private citizens that make use of such things but also companies, industries and even hospitals to help keep up a good standard of cleanliness without needing to waste precious time on something else after cleaning has been done. Disposable wash cloths are something you'll likely see everywhere, used every day for all manner of things and surfaces. It's cheap, effective, and easy to purchase.
Disposable wash cloths are but one of many types of disposable hygiene products, ranging from tissues and airlaid to bibs, wash gloves and even aprons to help various people as well as industries with their needs. Most can be bought in any regular store and cheaply too, making it accessible for even the poorer masses. Without disposable hygiene products, the work and standards would be much more unbearable and require more time from people. It'd be a detriment and take away focus from the job people are otherwise supposed to do, or at the very least require hiring more people just to deal with cleaning everything which is not a good thing.