KIN JUNIOR cavity-prevention mouthwash by KIN. To help keep little smiles healthy, prevention should start with the first teeth erupting. This rinse blends fluoride and xylitol to deliver daily protection for children aged 6 to 12. Its formula provides plaque control, cavity prevention, and enamel remineralization. Do not use on children under 6 years. Do not ingest. Gluten-free.