When you compare teeth whiteners, there are several types of information that you should be aware of. First, you should take advantage of something similar to a Crest White Strips review, so that you can see how others thought about the products that you are considering. This lets you know the level of efficiency from someone that is not associated with the company.
In addition to that, you should know the type of whiteners you are comparing. Pearl Drops Extra Strength whitening toothpaste, for example, uses a different method of whitening than Crest White Strips. Comparing two different types of whiteners tends to not be as effective compared to evaluating two of the same type.
Something you should remember before you compare teeth whiteners is that everyone has different opinions on the effectiveness of a product. If you are searching for instant results, go to a dentist. A dentist is the only one who can fully whiten your teeth in a very short and compact amount of time. However, as this alternative is very expensive, you may want to consider looking into the other options available to you, and taking your time to make an educated decision that will benefit you without dangerous side effects.