In recent days, each big brand whitening toothpaste was revealed contains bleach, let consumers in a dilemma. In fact, if you want to have a mouthful of white teeth, might as well take the female friend magazine published latest "five kinds of natural whitening teeth method", is safe and effective.

　　1. Brush your teeth with baking soda, salt. "The basis of natural beauty," the authors said, byers said, baking soda and salt half spoon, add a drop of peppermint oil or olive oil and stir well can be made of natural whitening toothpaste. Brush teeth 1 times a week, the can, otherwise easy to damage the enamel.

　　2. Drink coffee with milk. A cup of tea or coffee, with milk, help to change the chemical structure of coffee or tea drinks, make pigment is difficult to adhere to the surface of teeth, to prevent the teeth yellow or black.

　　3. Eat more green vegetables. Dark green vegetables such as spinach, broccoli contains minerals will help to form a protective film in the surface of teeth, prevent tooth discoloration. New York cosmetic dental experts also suggested that Dr Thomas Kang Nili more eat apple, pear, celery and carrots and so on, by chewing can promote saliva secretion, reduce bacteria in the mouth, teeth whitening.

　　4. Rinse your mouth for 30 seconds after every meal. Dr Kang Nili advice, rinse your mouth after eating 30 seconds, can help prevent food coloring cause tooth discoloration, at the same time also can remove the food particles in the mouth.

　　5. A drink through a straw. Drink carbonic acid beverage is easy to damage the enamel cause tooth discoloration and tooth decay, suggested this kind of drink when it is best to use a straw.