【Noticeable Effects After 2 Weeks of Continuous Use】 By using the whitening gel pen, your teeth will become brighter within a few days of starting use. It is recommended to use it twice a day, and by continuing for 14 days or more, you can remove yellowing and stains on your teeth, and more deeply experience the whitening effect. 【Easy to Use and Convenient to Carry】 Unlike methods using whitening strips or mouthpieces, this is a simple method of just applying the gel to your teeth. The gel pen is the same size as a ballpoint pen, so you can carry it anywhere in a small bag or pencil case. 【How to Use】 1. Continue turning the bottom of the pen clockwise, and the gel will come out from the brush tip. 2. Open your mouth so your lips don't touch your teeth, and brush the gel evenly over the surface of your teeth. 3. After applying the gel, hold a smile for 30 seconds and wait for the gel to set. 4. After about 30 seconds, close your mouth and wait 1-2 minutes. 5. Finally, rinse your mouth with water. 【Precautions for Use】 Do not swallow the gel. For optimal results, avoid eating or drinking for 30 minutes after use, and it is recommended to rinse your mouth before eating or drinking after use. 665-42