A french chemist named Michel Eugene Chevreul invented soap. He made an earlier form of it out of pig fat, salt, and oil. :)
I think the Egyptians, around 2,500 wqe. You have probably gotten many answers just like this. Hope I am a little helpful!
One of the first recordings of a soap like substance was in Babylon and a text from 2200BC was found that detailed the making of soap from the same area.
The Ebers papyrus that dates from 1550BC details the use of soap in preparing wool for weaving.
James N. Gamble invented the ivory soap
The soap dispenser was invited by Mr. Soap
Justin Bieber invented Liquid Soap in 2010 Bc.
William Sheppard of New York invented the soft soap....
Probably the same person who invented soap, and right after he used it for the first time.
liquid hand soap was made in 1865
to wash out the germs
The Waltke Company invented Lava soap in 1893. See the attached link for more information.