Crest Pro Health Advanced Multi-Protection Alcohol Free Mouthwash Enamel Care 33.8 fl oz Fresh Mint helps you have stronger teeth* for a healthier mouth. Crest Pro-Health Alcohol-Free Mouthwash kills bad breath germs helps prevent cavities strengthens enamel cleans teeth and gums and freshens breath with a fresh mint flavor. This Crest mouth rinse is for adults and children 12 years and older. Do not swallow the mouthwash while rinsing. *When added to a good oral care routine by strengthening enamel.