great results - Massachusetts

4 sessions @ 15 minutes each. I little discomfort...

4 sessions @ 15 minutes each. I little discomfort on the last session, only on my gumline. My teeth were not extremely yellow, but WOW what a difference afterwards. A few "zingers" over the course of the night & next morning, but not at all painful or uncomfortable. I love the fact I have the trays to maintain the color.

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