Features: 1. **Effective Stain Removal**: Our Gentle Teeth Whitening Gel Pen is specially formulated to tackle stubborn tooth stains, providing noticeable results in just minutes. Say goodbye to discoloration and hello to a brighter smile! 2. **Gentle and Safe Formula**: With a peroxide-free composition, this gel pen is mild and non-irritating, making it safe for both teeth and gums. Enjoy a whitening experience without the worry of sensitivity. 3. **Easy to Use**: The application process is simple and straightforward. Just press the pen 40 times to dispense the gel, apply evenly to your teeth, and use 1-2 times a day for optimal results. 4. **Portable Design**: The pen-shaped design makes it easy to carry in your bag or pocket, allowing you to whiten your teeth anytime, anywhere. Perfect for on-the-go touch-ups! 5. **Natural Ingredients**: Our gel contains glycerin and propylene glycol, ensuring a natural shine and fresh care for your teeth. Enjoy a whitening solution that cares for your dental health. Our dental care gel pen contains glycerin, propylene glycol and carbomer. It can effectively remove stubborn tooth stains. Peroxide-free formula, mild and non-irritating to teeth and gums. Its usage method is very simple: 1. When using it for the first time, press this product 40 times. Squeeze out an appropriate amount of toothpaste and apply it evenly to your teeth. Use it 1-2 times a day. The whitening effect is immediate, and obvious changes can be seen within a few minutes. Pen-shaped design, convenient to carry, suitable for use anytime and anywhere