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 ...

Castile soap refers to soap created in Castile, Spain, using pure Mediterranean olive oil. Today, a cleanser may be ...

Castile soap was traditionally made with pure olive oil. Today, Castile soap is made with a variety of plant-based oils, such ...