The Colgate Optic White Overnight Whitening Pen is designed to whiten teeth while you sleep. It helps remove up to 15 years of stains with its Advanced hydrogen peroxide formula. The precision brush tip allows for easy application, ensuring even coverage on each tooth. Its fast-drying formula works overnight, brightening teeth gradually. With 35 nightly applications, this pen provides a long-lasting whitening solution. The enamel-safe formula makes it suitable for daily use without causing sensitivity. Its compact and travel-friendly design allows for easy touch-ups anytime. . Please Note that product description, color, ingredients, package and other information maybe different from the original pack kindly check the product for more accurate details.