# Whitening Safety Notes
> Most people tolerate whitening, but not everyone. Learn about sensitivity, gum irritation and who should avoid it.

## Guides
- [Peroxide Concentrations Explained Simply](https://is-teeth-whitening-safe.wipimatu.workers.dev/whitening-ingredients-peroxide/): Most whitening products work by releasing hydrogen peroxide, either directly or from carbamide peroxide, and the strength on the label affects both results and.
- [Who Should Avoid Whitening](https://is-teeth-whitening-safe.wipimatu.workers.dev/who-should-avoid-whitening/): Whitening is not a good fit for everyone, and a few situations call for waiting or getting professional advice first.
- [Whitening During Pregnancy](https://is-teeth-whitening-safe.wipimatu.workers.dev/whitening-during-pregnancy/): There is limited research on whitening during pregnancy, and many dental professionals suggest postponing it as a cautious step because cosmetic treatment is.
- [Gum Irritation: What to Know](https://is-teeth-whitening-safe.wipimatu.workers.dev/gum-irritation-whitening/): Gum irritation after whitening is one of the more common complaints, and it usually comes from whitening gel touching soft tissue.
- [Ask Your Dentist First](https://is-teeth-whitening-safe.wipimatu.workers.dev/ask-your-dentist-first-whitening/): A short conversation with your dental team before you start can save you from whitening over a problem that needs attention first.

## About
- [About Whitening Safety Notes](https://is-teeth-whitening-safe.wipimatu.workers.dev/about/): not medical advice, how the site is funded and how guides are made

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