Smile Prep is a miracle paste that will have your mouth feeling fresh and pearly white, as if you just came from the dentist's chair. Multi-action cleaners remove unsightly plaque and reduce tartar build up. Add a pea sized to your toothpaste for up to 5 days in a row initially. After, use as needed about 1-2 times a week and prior to each SunnaSmile whitening treatment. Smile Prep: - Removes Stains and Plaque - Immediate Whitening - Sensitivity Free - Used Weekly or before Whitening