Our fluoride-free, enamel-protecting naturopathic toothpaste contains xylitol, calcium-rich hydroxyapatite, and phosphorus. Xylitol is derived from birch extract and helps fight cavity-causing bacteria. These natural ingredients have been clinically proven to protect enamel and the risk of tooth erosion. Clinically proven to harden enamel by 80% after only 6 days of regular brushing. Contains everything your teeth need to stay healthy!