I believe in the product. But, you must use it properly. You must be aware of what effects it has on your teeth, and how it affects your body's immune system. There are many different products out there, but not enough research to know which ones work best for you. If you read this site you'll learn about a lot of topics such as natural teeth whitening products, and how to properly use them. If you are looking for the right tooth whitening product to make your teeth look brighter, click the link below. If you have trouble with lightening your teeth, check out this article. I believe that there are natural tooth whitening products out there for everyone. My teeth are lightened with fluoride toothpaste, and I can even smile. Here are some of the things you should know about using a tooth whitening product. 1. You must get a prescription from your dentist. 2. It can cause side effects. You should consult your dentist if you have any concerns or problems that may occur. 3. It's more expensive than a regular toothpaste. 4. Toothpaste is expensive, especially for those who don't have much cash to spend. 5. It is not very effective for treating gum disease. In addition, the products can irritate the gums and teeth.