Dr.singha's mustard bath. description: the original formula with powdered mustard seed. eucalyptus. rosemary. wintergreen and thyme. mustard bath has been renowned for its stimulating, rejuvenating and cleansing qualities and may be helpful with stress, muscle and joint soreness, and is supportive during a cleansing program. disclaimer: these statements have not been evaluated by the fda. these products are not intended to diagnose, treat, cure, or prevent any disease.