Spotlight Oral Care Teeth Whitening Strips dissolve stains using active ingredients like Hydrogen Peroxide. Teeth are gradually and safely whitened without damaging tooth health. Strips contain hydrogen peroxide to clinically whiten teeth and come with a comforting gum oil pen to ensure minimum sensitivity. Additional Benefits: 1. Dry your teeth and apply 1 strip to top and bottom row of teeth. 2. Leave on for 1 hour and go about your beauty routine! 3. Use with our Toothpaste for Whitening Teeth for maximum results. 4. Apply Comforting Oil Pen to gums after use.