Elmex Caries Protection Dental Rinse is providing an effective protection against caries in addition to daily tooth brushing. Thanks to the amine fluoride which hardens the dental enamel and protects the glaze against acid attacks. Elmex Anti-caries dental rinses at spots that are difficult to reach with a toothbrush. Elmex Caries Protection Dental Rinse is especially recommended for people who are at high risk of caries, like wearers of braces or people who go on a trip and do not have the ability to brush their teeth. Scientific studies have shown that Elmex Caries Protection Dental Rinse in combination with Elmex Caries Protection Toothpaste, increase caries protection. Instructions: Use once or twice a day after brushing and rinse for 30 seconds.