Have you tried any teeth whitening products?

If so which one was it? did it work? I'm just wondering since everyday i see more commercials about such. answer only if you have tried any.
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I tried most of the ones in the $20.00 range. They aren't any better that just using 2 tsp of baking soda and 1 tsp of cider vinegar. Mix them and brush your teeth with it until you can't stand the taste anymore. It sounds gross, but it works.
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