Sensodyne Extra Fresh Mouthwash provides long lasting protection for sensitive teeth when used twice daily after brushing with a fluoride toothpaste. With twice daily use it provides round the clock care for sensitive teeth. Its fluoride formula strengthens teeth and helps re-mineralise enamel and prevent cavities. With twice daily brushing Sensodyne Extra Fresh builds round the clock sensitivity protection and cleans effectively. Sensodyne Extra Fresh builds soothing protection around the nerve deep inside the tooth. So you don’t need to worry when you eat or drink.