Read the fine print. You will end up with over $200 in credit card charges. Oh yea the gel doesn't work either.

If you want something that works click here

http://www.amazon.com/Whitening-Ultra-Pharmaceutical-Syringe-Prescribed/dp/B00JOW50I2/ie=UTF8?m=A2VOBD59VSGIR&keywords=teeth+whitening