Liquid Soap Ingredients and materials are unique. Like hot and cold process soap, there is an alkali component and an oil component. For liquid soap, the alkali component is a bit different. Sodiumhydroxide is used to make hard bar soap while potassium hydroxide is used to make liquid soap.
This e-manual is completely self explanatory and extremely comprehensive and 100% practical based. You will be able to produce a desired liquid soap of your choice after going through this E-manual.