Castile Soap originated in Castilla Spain & was the soap Cleopatra used! It was historically made with pure olive oil as the only oil/fat. Over the years, the definition of Castile soap has broadened to include other types of vegetable oils such as coconut oil.
Dr. Bronner's Soap, which has probably become the most famous commercial liquid castile soap, even has a greater percentage of coconut oil than olive oil. This can be technically known as a Bastille Soap.
You can use Castile Soap as is or use it make a range of products. Here are some ways you can use it in your home.
Multi Purpose Sprays
Hand & Body Wash