Now you can easily whiten your teeth and save money on expensive dental visits. This easy-to-use Nu Pearl® Whitening Pen is clinically proven to whiten teeth up to 8 shades in just 7 days. Recommended by dentists, the professional-strength whitening gel is 99% natural – safe for enamel and gentle on sensitive teeth. Just apply to your teeth with the brush applicator and rinse off in 15 minutes. The gel goes to work in seconds for visibly whiter teeth. Pen provides 30 treatments.