6. Crest 3D White WhiteStrips 2-Hour Express Kit
Crest 3D White WhiteStrips 2-Hour Express is mainly for people who need to fast whitening teeth and not easy sensitive. If you need a fast whitening, it is your best option. It's fantastic that it's such minimal effort and work! The strips deliver up to three months of dazzling chompers after only one 2-hour treatment. It really have a noticeable difference after the first application. However, teeth sensitive is severe. Your gums will experience very sensitive and hurt a little for 24 - 48 hours.
- Severe tooth sensitivity, people will experience hurt.
Disadvantages
- A whiter smile in just 2 hours that lasts for 3 months.
- Revolutionary Advanced Seal technology means no-slip whitening, you can even drink water while you whiten.
- New improved lower strip for more whitening coverage.
Advantages
- Costs : $32.30 / 4 count
- Bleaching Agent : 17% Hydroxide Peroxide
- Comparison : Compare for Crest 3D WhiteStrips 2-Hr Express & Rembrandt Strips
- Website : http://www.3dwhite.com/crest-products/2-hour-express-whitestrips.aspx