Colgate Advanced White Toothpaste is a safe and effective way of keeping your teeth healthy and white for longer. Our new formula contains active micro-cleansing crystals that are clinically proven to gently polish and effectively whiten teeth in just 10 days when used twice daily. Surface stains are removed while helping to prevent new stains.How to use Adults and children 12 years of age and older: apply at least a 1-inch strip of product onto your toothbrush. Brush teeth thoroughly for at least 2 minutes 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.