Brightening products are made from a combination of several chemicals, and are sold in different forms or doses. These may include toothpaste, toothbrush, dentures, whitening toothpaste, brightening tablets, toothpaste pills, and a few other types of tooth whitening products. The type of fluoride they use varies. The first step is to find the fluoride you want in your toothpaste. Fluoride is made of an acid that has an alkali (i.e., the element carbon) in it. The acid is released by the toothpaste when the chemical is added, and is the same one used in other types of toothpaste. The fluoride is then absorbed into your body by the acid, and can be used to whiten teeth. The other type of fluoride is made by a process that has nothing to do with acid in the toothpaste. The chemical is added to the toothpaste as a preservative. It is used in various types of toothpaste, and is usually very effective.
The other major product that I've seen, is the fluoride supplement. These are very expensive, because it is very difficult to make the product, and it is expensive to get. Most of the time, the person will just buy a generic supplement, which isn't really all that effective.