Who Invented Soap - All about Soap Inventors
Who Invented Soap? - About Soap Inventors. Legend says that soap was first discovered on Sappo Hill in Rome when a group of Roman women were washing their clothes in the River Tiber at the base of a hill, below which animal fats from the saces ran down into the river and created soapy clay mixture. They soon found that using this same cleansing substance the clothes were coming clear easier.