the abundance of olive trees in the Mediterranean area led to the development of soaps based on olive oil and lye from the ashes of the barilla, a common plant. The soap shown here is Castile soap, an ...

Named for the soapmaking Castile region of Spain where it was developed, Castile soap originated centuries ago. Castile soap is made from plant-based oils, often a combination of olive ...

Castile soap gets its name from Castile, Spain, where the soap has been made for hundreds of years. It is traditionally made ...

Following is a transcript of the video. Narrator: Here's how four soap factories create their products. Dr. Bronner's Magic Soaps has been around since 1948 and is most famous for its pure castile ...