CTx3 rinse is one of Carifree most popular products due to the great taste and fresh feeling after use. This clinically tested formula contains cavity-fighting fluoride, xylitol and an elevated pH to help neutralize decay causing acid. Recommended for patients with decay, low saliva flow/poor saliva, destructive/acidic diet, bad breath (halitosis), sensitivity, dry mouth and medication induced xerostomia. Dentist recommended for: ages 6 plus. Gluten-free.