The next generation Colgate Optic White Overnight Teeth Whitening Pen is your key to achieving a brighter, more radiant smile. This teeth whitening pen is specially formulated to deliver results in just one week with a simple overnight application.This pen features a new precision applicator to easily target the surface of each tooth with the quick-drying whitening gel formula. Experience visibly whiter teeth in just 1 week* using this hydrogen peroxide teeth whitener pen (*when used as directed) Designed to be enamel-safe and user-friendly, this product is perfect for hassle-free teeth whitening from the comfort of your home without tooth sensitivity!