Pure Castile Bar Soap Lavender 5 oz Bar(s) - Dr. Bronner's Pure Castile Lavender Bar Soap has a natural blend of liquid and bar soap. Emmanuel Bronner, a third-generation German-Jewish master soapmaker, brought the family's Old World soap recipes to the US in the late 1920s and established what has become the top-selling bar soaps in America. In addition to producing an exceptional lather and smooth after-feel, Dr. Bronner's soaps support fair trade, organic agriculture and a healthy environment.