New function: anti-snack, help to lose weight.

Weight loss principle: In order to eliminate the bad habit of overeating, it is a good idea to brush your teeth immediately after meals, or brush your teeth when you realize that you have eaten too much. When your mouth is refreshed, your mood will be refreshed, and it is easy to have the idea that "brushing your teeth doesn't want to be destroyed by eating snacks".

Implementation steps: It is worthwhile to use your favorite brushing tools and toothpaste, even if it is expensive, as long as it can help you prevent obesity. People who usually love sweets may wish to choose fruit-flavored toothpaste, so that the sweetness in their mouth can convey satiety information to the brain. It is said that this has also been proved to have the effect of suppressing appetite.