Castile liquid soap may seem the latest can-do product on your household cleaning kit. But the truth is that it has been around for centuries—with its history dating back to the Crusades times. It originated in the Mediterranean region—Spain’s Castile area—before spreading to Europe, hence the name. Traditionally, the soap was made of pure olive oil, but today it carries … [Read more...] about Castile Liquid Soap: 20 Wonderful Ways to Use It for Home and Body