This document provides instructions for making liquid soap, including the key ingredients needed: base, salt, booster/ladder, citric acid, thickener, and preservative, color, and perfume. The base is the main ingredient and gives the soap its thick, colorless liquid form. Salt helps increase the quantity of soap and is added in a 1:1000 ratio to the base. A booster aids in foaming while a thickener provides the desired thicker consistency preferred by consumers. Preservatives extend the soap's shelf life while color and perfume provide aesthetic appeal. Safety precautions are noted when preparing the soap.