This course will teach you the basics of soap making, from start to finish. You will learn how to make natural soaps using simple ingredients and techniques. You will also learn about the various types of soaps, the different methods of soap making
From Wikipedia
Soap is a salt of a fatty acid used for cleaning and lubricating products as well as other applications. In a domestic setting, soaps, specifically "toilet soaps", are surfactants usually used for washing, bathing, and other types of housekeeping. In industrial settings, soaps are used as thickeners, components of some lubricants, emulsifiers, and catalysts.