When a last minute invitation for something fabulous comes your way and you just have to whiten fast, you can accelerate your results with this simple (and yet game-changing) trick from renowned aesthetic dentist Dr. Michael Apa. "Since maximum efficacy of most bleach strips happens in the first 15 minutes, maximize your results by using multiple strips a session," Dr. Apa says. If your white strips have a 30-minute time limit, use two, swapping in a new set at the 15-minute mark. If they're one-hour strips, Dr. Apa says to change them three times—every 15 minutes for a total of 45 minutes a day. And get ready to show off your smile.
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