Like others, I saw this product at Walmart and treated myself to the expensive little jar of teeth whitener. I followed instructions, and it can be very messy if you are not careful. I have used it four times with no noticeable whitening. I would also note that it darkened a white filling. I wouldn't recommend this product. Baking soda seems to work better and is a lot cheaper.
Bottom Line: No, I would not recommend this to a friend
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