Patented Technology: Continuous Slow-Release Formula. Molecules Penetrate Directly Into Blood Stream | Non-Acidic: Xylimelts Are The Only Dry Mouth Gel Ph Buffered To The Best Range For The Mouth, Ph 9 | Lasting: Can Be Used Day Or Night And Can Last 4-8 Hours Between Applications (Results May Vary). | Great Tasting: The Sweet Flavor Of The Xylitol Stimulates Saliva Flow And Freshens Breath | All-Natural: Contains No Animal Products, Corn, Protein, Color Or Preservatives