Our teeth whitening pens are easy to use and produce fast results. This is the only teeth whitening pen on amazon with the no-leak cap so you can avoid messy gel leaks. There is no need to bother with forming teeth whitening trays nor applying gel from syringes. This pen can be used as a stand-alone teeth whitening solution or it can be used after using other teeth whitening treatments for touch-ups. Simply click the back of the pen releasing gel to the brush and paint the teeth whitneing gel directly onto your teeth. Teeth whitening has never been easier. Our teeth whitening pens and the gel they contain are made by one of the biggest suppliers for teeth whitening products worldwide with 12 years of experience. All of our products are made under the strict regualtions of the FDA.