Liquid Castile Soap Ingredients. Castile soap, coconut oil potassium soap cas no: Potassium hydroxide is different from sodium hydroxide, the drain cleaner lye used to make a hard bar soap.
Liquid castile soap (made with organic) botanical name: Tree hugger.com lists 11 different uses for castile, while dr. Unlike soaps made with animal fat, or tallow, true castile soap is made with olive oil, which makes the soap very creamy.