Care for sensitive gingiva by Myrrh Tinc and Rhatany Tinc and Hydroxyapatite helps teeth clean and clear. Patented ingredient bamboo salt helps to care gingivitis and periodontal diseases. Adults and children 12 years of age and older: Apply at least a 1-inch strip of product onto a soft bristled toothbrush. Brush teeth thoroughly for at least 1 minute twice a day (morning and evening) or as recommended by a dentist. Make sure to brush all sensitive areas of the teeth. Do not swallow. Children under 12 years of age: Consult a dentist.