There are a few other natural teeth whitening methods, but there is no scientific evidence to prove that they are effective or safe.
Here are some of the unproven methods:
Activated charcoal: Brushing with powdered charcoal supposedly pulls toxins from the mouth and removes stains from teeth.
Kaolin clay: Proponents of this method claim that brushing with clay helps remove stains from teeth.
Fruit peels: Rubbing orange, lemon or banana peels on your teeth is claimed to make them whiter.
Advocates of these methods claim they make teeth significantly whiter, but no studies have evaluated their effectiveness. This also means that they have not been tested for side effects when used on teeth.
Activated charcoal, kaolin clay and fruit peels may help whiten your teeth, but no studies have evaluated the safety or effectiveness of these methods.
Take Home Message
There are several natural methods to help whiten your teeth. Most of these remedies work by gently removing surface stains on your teeth.
However, most dentists offer whitening treatments that are much stronger than these natural remedies. They involve bleaching the teeth, which may be more effective for severe tooth discoloration.