Zact Toothpaste offers 60% more stain removal power than ordinary toothpastes to whiten your teeth effectively. It contains CAC & AOX Double Stain Removal Formula that removes tough stains such as coffee, tea and tobacco and with fluoride to help fight cavities and prevent plaque build-up.Direction of Use: Brush twice daily with approximately 2cm of paste. Close cap after each use to protect contents from moisture.Precautions:Sensitive teeth may indicate an underlying problem which need prompt care by a dentist.If irritation occurs, discontinue use. Do not use if carton seals are broken.