How is olive oil used to make soap?
Fats or oils are saponified into soap by the addition of lye. Lye, also known as caustic soda is a common ingredient in household products such as paint strippers, canned fruit cocktail, drain openers (Red Devil lye), etc. The lye is neutralized by the process. Olive Oil and lye is mixed with colors, fragrances and moisturizers such as glycerin. Usually a lower grade of olive oil is used, such as pomace oil, for these purposes.
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