Chewing gum-flavored mouthwash for the youngest in the family. IsoDent Super Junior Mouthwash contains 0.05% sodium fluoride NaF (0.5 mg/ml, 230ppmF) and is intended for people over 6 years old. When used regularly, fluoride strengthens the teeth and the unique combination of xylitol and erythritol strongly prevents tooth decay. An effective way to keep your mouth clean in addition to brushing with toothpaste. Take about ½ cap of mouthwash and swish it thoroughly in your mouth for about a minute after brushing your teeth and then spit it out. Do not swallow. Use 1-2 times a day. Not for small children.