The 14-day treatment should last for between six and 12 months. As a result, you likely will not need to use teeth whitening strips any more than twice per year. You should also take the strips off as directed by the instructions. Keeping the strip on too long does not help the whitening process.

How often can I use Crest White Strips a year?

To maintain your whiter smile, use up to two Crest 3DWhitestrips teeth whitening systems per year; or try Crest 3DWhitestrips Classic Vivid. These 30-minute once a day strips whiten and help protect your smile against staining.

How often should you use whitening strips?

Teeth whitening strips should be applied to the teeth on a daily basis. Do not skip a day! Continue to apply your teeth whitening strips across the entire period of time noted in the instructions. In most cases, teeth whitening strips are meant to be applied every day for at least two full weeks.

Do I brush my teeth after whitening strips?

We recommend that with any form of whitening that teeth are brushed beforehand. This is to ensure that any plaque (this sticky surface layer on your teeth) is removed and that any whitening agent present in the strips or gel gets the closest contact with the teeth.

Should I use Crest White Strips everyday?

To get the best results, you must use your teeth whitening strips daily, however, using them more often or for a longer period of time than specified in the instructions can ultimately result in erosion of your teeth enamel, which can lead to sensitivity and other damage.

Do whitening strips expire?

Do white strips really expire? Yes, all Teeth whitening strips can and will expire. None of these teeth whitening products should be used after they expire because their active ingredient will not be able to work as efficiently as before. … If your Crest whitening Strips expire, you can still use them.

Do Crest White Strips expire?

The short answer: Yes. Crest 3DWhitestrips teeth whitening strips do expire. Check your product's box to find a "best if used by" date.

How long after whitening strips can I eat?

While it may be challenging to go without some of the foods that contain these substances, dentists advise steering clear from such foods and beverages for up to 48 hours after a teeth whitening procedure.