【Includes Batteries】Home Whitening Self-Whitening LED Light ◉ Please be sure to view the images to the end. New, Unused, Free Shipping, Anonymous Delivery Includes batteries, so you can use it immediately. Wrapped in air cap and shipped via Yu-Packet Post. The vinyl has been opened once to check the LED operation. 【How to Use】 1. Brush lightly with a toothbrush only. 2. After applying toothpaste containing titanium dioxide to your teeth, irradiate with the LED light for about 20 minutes. 3. Then, brush your teeth as usual. 4. After use, simply rinse the LED light with water and store it. ◉ Scientific Basis of Whitening ◉ ・Apply toothpaste containing titanium dioxide to the teeth. ・Titanium dioxide adheres around the stains. ・Irradiate with blue LED → A chemical change called "photocatalysis" occurs. ・Stains float up → Stain removal by brushing. ※ When whitening at a dentist, etc., drugs with the main components of [hydrogen peroxide] or [carbamide peroxide] are used, but those drugs are prohibited from sale under the Pharmaceutical Affairs Law. ※ Commercially available toothpastes contain [baking soda], [polyphosphoric acid], [calcium carbonate], [metaphosphoric acid], etc., to remove tooth discoloration. ※ It is easy to apply commercially available toothpaste containing [titanium dioxide] thinly to your teeth and irradiate with LED light. ※ [Titanium dioxide] alone is also sold on Amazon. #Crest #crest #SelfWhitening #HomeWhitening #Invisalign #TitaniumDioxide #WhiteEssence #WhiteningGel dr.white Dental Lover Smart Dent White Club Super White LV amon de emon Sparkling Eraser Smart Dent Dr.USB