Dry Mouth is a condition known as Xerostomia. It can be caused by medications, radiation, illness, or normal aging. Daily use of Biotène's effective bio-active enzymatic therapy helps reduce the symptoms of Dry Mouth and helps relieve bleeding gums, gingivitis, minor gum irritations, and harmful odor-causing bacteria. All Biotène and Oral Balance products are sweetened with Xylitol, a natural sweetener clinically proven to prevent cavities. The Biotène solution to fight Dry Mouth is biologically balanced, safe and proven very effective.