You should generally use whitening strips once daily during a treatment course that typically lasts 7 to 14 days. Each application usually lasts between 30 minutes to 1 hour. After completing a full treatment course, it is recommended to wait at least three to six months before starting another course to avoid overexposure and potential tooth sensitivity. For maintenance, once you have completed the initial whitening treatment, using whitening strips once a week or every few months can help keep your teeth white without causing damage. It is important not to use whitening strips more than once a day, as overuse does not speed up whitening and may cause enamel erosion or gum irritation. If you have sensitive teeth, you might use the strips every other day or opt for a gentler formula. Always follow the instructions specific to the product you are using and consult your dentist if you have any oral health concerns. In summary:
- Use once daily for 7–14 days per treatment cycle
- Wait at least 3–6 months before another full course
- Use occasionally (e.g., once a week or a few times a year) for maintenance
- Avoid more than one application per day
- Adjust frequency based on sensitivity and product guidelines
This approach is supported by dental experts and product manufacturers to achieve safe and effective whitening results.