How well does this teeth whitener work?

I just bought and have now used once Crest Health and Radiance strips and toothpaste and was wondering if anyone else had used them and could tell me how well they worked.
I’m just a bit suspicious because they were so much cheaper than all the other teeth whiteners, but they seem to be working well.

Does not work

One Response to “How well does this teeth whitener work?”

  1. Does not work
    References :

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