The Long-Lasting Saliva Substitute for Dry Mouth Relief. Oralbalance long lasting lubricant soothes and protects dry mouth tissues against minor irritations, sensitivity and burning sensations, and promotes healing. Contains Biotene protective salivary enzyme system which helps inhibit harmful bacteria. A unique oral lubricant to help promote healing. Soothes and protects dry mouth tissues from minor irritations, itching and burning sensations up to 6 hours.Contains Biotene's Salivary Enzymes to help inhibit harmful bacteria and neutralize odors.Leading causes of Dry Mouth: Medications, Sjogren's Syndrome, Drug therapy, radiation therapy, diabetes, vitamin deficiencies, stress and depression.