We tried Colgate's latest teeth whitening device that claims to whiten teeth by 6 shades in 10 days: Does it work?
![Amazon.com: Colgate Optic White ComfortFit Teeth Whitening Kit with LED Light and Whitening Pen, LED Teeth Whitening Kit, Enamel Safe, Works with iPhone and Android : Health & Household Amazon.com: Colgate Optic White ComfortFit Teeth Whitening Kit with LED Light and Whitening Pen, LED Teeth Whitening Kit, Enamel Safe, Works with iPhone and Android : Health & Household](https://m.media-amazon.com/images/I/81KduulQswL._AC_UF350,350_QL80_.jpg)
Amazon.com: Colgate Optic White ComfortFit Teeth Whitening Kit with LED Light and Whitening Pen, LED Teeth Whitening Kit, Enamel Safe, Works with iPhone and Android : Health & Household
![Amazon.com: Colgate Optic White ComfortFit Teeth Whitening Kit with LED Light and Whitening Pen, LED Teeth Whitening Kit, Enamel Safe, Works with iPhone and Android : Health & Household Amazon.com: Colgate Optic White ComfortFit Teeth Whitening Kit with LED Light and Whitening Pen, LED Teeth Whitening Kit, Enamel Safe, Works with iPhone and Android : Health & Household](https://m.media-amazon.com/images/I/81fKF4IGRfL.jpg)
Amazon.com: Colgate Optic White ComfortFit Teeth Whitening Kit with LED Light and Whitening Pen, LED Teeth Whitening Kit, Enamel Safe, Works with iPhone and Android : Health & Household
![Colgate Optic White ComfortFit LED Teeth Whitening Kit with LED Light and Whitening Pen - Walmart.com Colgate Optic White ComfortFit LED Teeth Whitening Kit with LED Light and Whitening Pen - Walmart.com](https://i5.walmartimages.com/asr/fafdce5b-d9a0-4004-957c-d3c41390f8cb.0a7c4f5fd4717135bf8d9dccc44d9d88.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
Colgate Optic White ComfortFit LED Teeth Whitening Kit with LED Light and Whitening Pen - Walmart.com
![Colgate Optic White At Home Teeth Whitening Kit, LED Blue Light Tray, 10 Day Treatment, 9% Hydrogen Peroxide Whitening Gel - Walmart.com Colgate Optic White At Home Teeth Whitening Kit, LED Blue Light Tray, 10 Day Treatment, 9% Hydrogen Peroxide Whitening Gel - Walmart.com](https://i5.walmartimages.com/asr/78fe0596-8945-4e92-a862-e4c16d47575f_1.10d7e337fd10f741747c769a8dbbe813.png)
Colgate Optic White At Home Teeth Whitening Kit, LED Blue Light Tray, 10 Day Treatment, 9% Hydrogen Peroxide Whitening Gel - Walmart.com
![Amazon.com: Colgate Optic White ComfortFit Teeth Whitening Kit with LED Light and Whitening Pen, LED Teeth Whitening Kit, Enamel Safe, Works with iPhone and Android : Health & Household Amazon.com: Colgate Optic White ComfortFit Teeth Whitening Kit with LED Light and Whitening Pen, LED Teeth Whitening Kit, Enamel Safe, Works with iPhone and Android : Health & Household](https://m.media-amazon.com/images/I/81p1yGISjpL.jpg)
Amazon.com: Colgate Optic White ComfortFit Teeth Whitening Kit with LED Light and Whitening Pen, LED Teeth Whitening Kit, Enamel Safe, Works with iPhone and Android : Health & Household
![Colgate Optic White ComfortFit LED Teeth Whitening Kit with LED Light and Whitening Pen - Walmart.com Colgate Optic White ComfortFit LED Teeth Whitening Kit with LED Light and Whitening Pen - Walmart.com](https://i5.walmartimages.com/asr/6f581470-6b9b-485e-8448-c38b1dc6e90f.583197bbf4f5b7ceafcf8ef0addb406a.jpeg?odnHeight=612&odnWidth=612&odnBg=FFFFFF)
Colgate Optic White ComfortFit LED Teeth Whitening Kit with LED Light and Whitening Pen - Walmart.com
![Smile Direct Club bright on Premium Teeth Whitening Kit - LED Accelerator Light and 4 Whitening Pens | Pick Up In Store TODAY at CVS Smile Direct Club bright on Premium Teeth Whitening Kit - LED Accelerator Light and 4 Whitening Pens | Pick Up In Store TODAY at CVS](https://www.cvs.com/bizcontent/merchandising/productimages/large/810819031009.jpg)