Fat to Soap

How can animal fats and lye, a highly caustic substance, be processed to produce something that is powerful enough to clean but gentle enough to use directly on skin? Kids will be interested in the manufacturing processes that take these disparate compounds to produce the soap they use to wash their hands. Cavendish, Series: How It Is Made. EdTech Shelfit Reader digital edition of Print ISBN: 9781502621245 Rosen Publishing Group, ebook, Season: 1/17/2019