Quick verdict
If you are sensitivity-prone, start conservatively rather than chasing the strongest peroxide concentration. Crest Sensitive & Gentle has the clearest sensitivity-specific positioning; SNOW and GLO are premium alternatives with sensitivity-conscious marketing.
What matters most
- Do not whiten through unexplained tooth pain.
- Spacing treatments out can reduce cumulative sensitivity for some users.
- Stop and seek dental advice if pain is severe or persistent.
Why whitening can hurt
Peroxide-based whitening can temporarily increase tooth sensitivity. Existing exposed dentin, gum recession, cracks or cavities can make discomfort worse.
How to reduce sensitivity
- Choose a sensitivity-focused product
- Use the shortest effective contact time
- Avoid stacking multiple whitening products at once
- Consider a desensitizing toothpaste before and during whitening
- Take breaks if sensitivity builds
When not to self-whiten
Persistent pain, untreated cavities, cracked teeth, severe gum recession or active gum disease should be evaluated before continuing an at-home whitening routine.
Important
Whitening should not be used to mask dental pain. See a dentist if sensitivity is severe, localized, persistent or present before whitening.
Official sources used
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