Batherapy. As a pioneer for therapeutic bath products and Americas number 1 bath salts brand, Batherapy is proven to treat the body to a relaxing, soothing and comforting spa experience. We use natural, healing minerals and aromatheraputic oils to relax the body, relieve sore muscles, reduce tension and invigorate and lift the spirit. With Batherapy, you can alleviate muscle tension from colds, intense workouts or daily stress without heavy medicine.