It works great but if you have sensitive teeth make sure you use the blue gel! It worked wonders on my sensitivity after whitening! You can also use the blue gel at any time, I really enjoy this kit!
This whitening gel is amazing. You get a lot of product for your money and it whitens your teeth without burning your gums. I would highly recommend it.
The dentist will charge you a ton for this stuff, and they're not being honest when they suggest it's anything better or other than this stuff. The blue gel was also a plus, as I have sensitive teeth and they tend to hurt after whitening--the blue stuff helped. Powerful bleach.
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