We tried Colgate's latest teeth whitening device that claims to whiten teeth by 6 shades in 10 days: Does it work?
![Amazon.com: Auraglow Teeth Whitening Pen, Overnight Teeth Whitening Pen, 35% Carbamide Peroxide, 20+ Whitening Treatments, No Sensitivity, 2.8mL : Health & Household Amazon.com: Auraglow Teeth Whitening Pen, Overnight Teeth Whitening Pen, 35% Carbamide Peroxide, 20+ Whitening Treatments, No Sensitivity, 2.8mL : Health & Household](https://m.media-amazon.com/images/I/71rK-9I8ARL.jpg)
Amazon.com: Auraglow Teeth Whitening Pen, Overnight Teeth Whitening Pen, 35% Carbamide Peroxide, 20+ Whitening Treatments, No Sensitivity, 2.8mL : Health & Household
![Colgate Optic White Overnight Teeth Whitening Pen | Results & Honest Review | Is it worth $30? - YouTube Colgate Optic White Overnight Teeth Whitening Pen | Results & Honest Review | Is it worth $30? - YouTube](https://i.ytimg.com/vi/pw3heDlo0Kk/maxresdefault.jpg)
Colgate Optic White Overnight Teeth Whitening Pen | Results & Honest Review | Is it worth $30? - YouTube
![Amazon.com: Customer reviews: Colgate Optic White Overnight Teeth Whitening Pen, Teeth Stain Remover to Whiten Teeth, 35 Nightly Treatments Amazon.com: Customer reviews: Colgate Optic White Overnight Teeth Whitening Pen, Teeth Stain Remover to Whiten Teeth, 35 Nightly Treatments](https://m.media-amazon.com/images/I/61Jr8vUWhVL._UC256,256_CACC,256,256_.jpg)
Amazon.com: Customer reviews: Colgate Optic White Overnight Teeth Whitening Pen, Teeth Stain Remover to Whiten Teeth, 35 Nightly Treatments
![Amazon.com: Colgate Optic White Overnight Teeth Whitening Pen, Teeth Stain Remover to Whiten Teeth, 35 Nightly Treatments : Health & Household Amazon.com: Colgate Optic White Overnight Teeth Whitening Pen, Teeth Stain Remover to Whiten Teeth, 35 Nightly Treatments : Health & Household](https://m.media-amazon.com/images/I/81Z7XdXmXuL.jpg)