When purchasing teeth whiteners over the counter to use at home there are some things you need to know. Some whiteners will definitely brighten your smile but may also weaken the enamel of your teeth. The enamel needs to be hard and durable in order to prevent decay and sensitivity so consider the whitening product you choose very carefully.

The Food and Drug Administrator (FDA) does not consider teeth whitening products as a drug, therefore they do not regulate the ingredients or application of these products. As a consumer you are left to trust the company that essentially is out to make money to regulate these components in their product.

The American Dental Association (ADA) has set up guidelines for teeth whitening products. The ADA seal of acceptance on teeth whitening products and techniques will allow the consumer to know the product has met the criteria for safe and effective use. Achieving the ADA seal of approval for a particular product is time consuming and relatively costly. Receiving ADA approval proves a company's dedication, care, and attention to offering the public a product conducive to healthful oral care.

At the dentist you can ask for and receive teeth whitening products and services. Costs for these diverse means of brightening vary also. There are ways to brighten your smile with light. A relatively new technique some people rave about the end result with very little side effects mentioned while others are quite the opposite in their opinion.

For use in the home environment, your dentist may suggest whiteners. There are methods by which you paint the solution on your teeth. There are methods by which you