Oral care product and methods of use and manufacture thereof

摘要

This invention relates to a dual phase mouthwash comprising a hydrophilic phase, a hydrophobic phase, and a hydrotrope, wherein the hydrophilic phase comprises an effective amount of a preservative selected from methylisothiazolinone, sodium benzoate, potassium sorbate, and combinations thereof, as well as to methods of using and of making such compositions.