Can I wear the strips longer than 30 minutes to get better whitening results?
Related Questions
- Can I wear the Gentle Routine or Stain Shield Whitestrips for longer than 5 minutes to get better whitening results?
- If the test is left for longer than 10 minutes before reading the result, are the results reliable?
- Can I wear the strips longer than the instructed wear time to get better whitening results?