Biotene Dry Mouth Oral Balance Saliva Replacement Gel provides relief and comfort from the symptoms of dry mouth. It provides a soothing moisturisation that's easy to apply. Biotene Dry Mouth Oral Balance Saliva Replacement Gel helps soothe and protect dry mouth tissues against oral irritations. It contains a mouth moisturising system to help protect the oral environment and help provide protection against dry mouth. Naturally sweetened with Xylitol. Apply Biotene Dry Mouth Oral Balance Saliva Replacement Gel as often as needed for relief, especially at night or as directed by your dentist or doctor. Place approximately a half inch length onto tongue and spread thoroughly. What causes Dry Mouth? Dry mouth can be caused by: medications, drug/radiation therapies, diabetes, Sjgren's syndrome and stress and depression. Dry mouth is a medical condition that affects up to 1 in 4 adults. It occurs when your body does not produce enough saliva. If you suffer from dry mouth, you may be experien