Strengthen your teeth and eliminate bad breath germs with Listerine Naturals Anticavity Mouthwash with Fluoride. This fluoride mouthwash helps build 50% stronger teeth than brushing alone.* Made with an anticavity formula designed for natural oral care, this mouth rinse helps prevent cavities by restoring essential minerals to your enamel. It cleans the whole mouth, killing 99.9% of germs that cause bad breath for a fresh and clean mouth. This 99% natural mouthwash features a refreshing herbal mint flavor and contains no artificial sweeteners or dyes.*In lab studies.