Colgate Plax Tea Fresh Mouthwash offers a refreshing taste with Natural Tea Extracts. A less-intense alcohol-free formula protects for 12 hours against plaque and bacteria. , Directions for use: Use Colgate Plax twice a day after brushing for a healthier, fresher mouth. Fill cap to the line (20 ml). Rinse thoroughly for 30 seconds, gargle and expel.