Use Biotène Moisturizing Spray whenever your mouth is feeling dry. It provides a quick, on-the-go solution that gives you instant Dry Mouth symptom relief. Biotène Moisturizing Spray is portable, easy to apply and discreet to use. Biotène Moisturizing Spray is alcohol-free and helps freshen your breath. Use Biotène Moisturizing Mouth Spray throughout the day as needed. To relieve your symptoms, spray directly into your mouth, onto the tongue, and spread thoroughly inside the mouth.