Common soap bars, they weren't really a thing until the mid 1850's and you had to make your own soap unless you were wealthy prior to that.
https://en.wikipedia.org/wiki/Soap#19th_century
Similarly, liquid soap which came to be around the same time.
Similarly, liquid soap which came to be around the same time.
Also, washing machines didn't really start to catch on until the mid 1940's, prior to that it was still pretty much scrub boards. Scrub boards are bad enough with liquid soap.