Description #1 Dentist-recommended dry mouth relief brand. Provides immediate symptom relief that lasts up to 4 hours*. Alcohol-free. Offers a soothing and gentle cleansing experience for the mouth, effectively cleaning, refreshing, relieving dryness, and soothing oral tissues. Biotene® contains a combination of moisturizers and lubricating ingredients that offer immediate and long-lasting relief from dry mouth symptoms for up to 4 hours. *Measured within a 28-day scientific study