.u are taking led lights, gel, and pen .A teeth whitening pen with LED light and gel combines the convenience of a pen applicator with the accelerated whitening power of LED light. Several brands offer this type of product, including Crest, SmileDirectClub, Colgate, and SNOW. These kits typically include a whitening gel, an LED light mouthpiece, and sometimes pre-treatment sprays or desensitizing pens.
Here's a more detailed look at what you can expect from a teeth whitening pen with LED light:
How it works:
Whitening Gel:
The pen contains a whitening gel, often with hydrogen peroxide as the active ingredient, which breaks down stains on the teeth.