Oral adhering disc techology time releases ingredients in the mouth that are more effective as a result of time release: - Best remedy for dry mouth: XyliMelts for Dry Mouth, can be used while sleeping, reduces acid reflux while sleeping, reduces tooth decay and plaque - Only clinically proven all natural treatment for mouth sores: HB12 Melts Non-acidic (pH 7.4) dry mouth gel: XyliGel