Specially Formulated to Address the Symptoms of Dry Mouth. Naturally Sweetened with Xylitol Contains No Sodium Lauryl Sulfate (SLS) When Used with the Gel, Biotene ® Toothpaste Helps Relieve Oral Irritations Due to Dry Mouth Biotene’s Low-Foaming Formula is Gentle on Dry, Irritated MouthsBiotene Dry Mouth Toothpaste is specially formulated to address the symptoms of dry mouth. The majority of dry mouth sufferer’s don’t realize the discomfort dry mouth causes until saliva flow is reduced by 50%. So if you suspect you may be one of the millions of Americans with dry mouth, brushing with Biotene Dry Mouth Toothpaste, with its unique Bio-Active enzyme system, is a simple way to maintain the health of your mouth.