Dry Mouth Spray with natural Yerba Santa and Xylitol. Mouth Kote® Dry Mouth Spray is an exclusive, patented formulation developed by an ENT Surgeon with over 35 years experience. Contains key ingredient derived from the natural Yerba Santa plant that has been used as a herbal remedy for centuries. Contains a therapeutic level of Xylitol, clinically proven to reduce dental caries. Sugar and alcohol free, pleasant lemon-lime taste, and restores pH balance in the mouth which can contribute to bad breath.