Dr. Bronner's Eucalyptus Castile Bar Soap opens your pores and clears your sinuses while enveloping the body in its warm, invigorating vapors. Completely biodegradable and vegetable based, Castile Bar Soaps are gentle and effective, perfect for washing body, face or hair. They are also very popular with DIY homemakers. For example, they can be grated to form part of a homemade powdered laundry detergent.