Colgate Enamel Health Sparkling Fresh Mint Anticavity Fluoride Mouthwash is alcohol-free (does not contain ethanol), and strengthens tooth enamel even where brushing may miss. It helps replenish natural calcium back into enamel and reverse enamel softening to help prevent cavities. This mouthwash has a sparkling fresh mint flavor to help freshen your breath. To promote healthy teeth and gums, use after brushing with Colgate Enamel Health toothpastes and toothbrushes.