Tooth yellow must insist on brushing your teeth twice a day, and you should also pay attention to the ways and means of brushing your teeth. If the teeth are yellow, you can try to brush your teeth with salt, which has a bactericidal effect!

■ Simple method

→ Whitening teeth with lemon juice ↓

... the method is as follows:

After brushing your teeth every night, rub your teeth with gauze dipped in lemon juice, and your teeth will become white and bright.

Lemon has a strong cleaning power and whitening effect, and contains vitamin C, which can strengthen the roots of teeth.