Where can I get a free trial of a teeth whitening kit for at home?

any good products out there?
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hey chris, i use the home teeth whitening kit featured by the kamashian sisters (celebrities lol). I used it just 2 times and my teeth are much whiter now. really effective thing. they offer a free trial right now where you only pay 3 bucks or so for s&h. it's really worth it, because for me it worked wonders. don't know other kits but it works and that's all i want. cheers
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