How Does Soap Work? | Science Trends
Dec 05, 2017·“Soap and water and common sense are the best disinfectants.” — William Osler. How Is Soap Made? Soap was reportedly first invented around 2800 BCE, by the ancient Babylonians. The first soaps were made out of a conglomeration of water, animal fat and wood ash, and were mainly used to wash wool and cotton.