I saw noticeable change after using 3 strips. After the 5th use, one stained tooth was almost stain-free! Yay, I can keep up with my coffee/tea habit!
I do have sensitive teeth and regularly use sensitive teeth toothpaste. One time I used the strips in the morning and I felt sensitivity for 5+ hours. But after that my teeth felt mostly normal. So now I use the strips right before bed …Read more
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