Sensitivity during whitening is common, temporary, and manageable. Four steps that help most users:
1. Use a potassium nitrate toothpaste (like Sensodyne Pronamel) for two weeks before starting. 2. Shorten sessions rather than skipping them — 20 minutes daily is gentler than 60 minutes every other day. 3. Take a break every 3-5 days rather than powering through a full course without pause. 4. Consider a peroxide-free product like PAP if sensitivity persists.
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Ira Zoot is not a licensed dentist or clinician. As the site's independent editorial reviewer, Ira reads every page before it ships and cross-checks the underlying claims against published guidance from the American Dental Association (ADA), the U.S. National Institutes of Health / NIDCR, and Cochrane Oral Health reviews. Any clinical decision should still be made with your own dentist.