Customer Review

• 

  NR

  1.0 out of 5 stars Did not work

  Reviewed in Canada on January 13, 2024

  Verified Purchase

  I’m sorry but these did not work - I used as directed - 14 days straight for 60 minutes. My teeth did not get any whiter and my gums became a bit sensitive. The only positive thing I can say is that they stick/stay on your teeth very well. .

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