As public figures, celebrities must maintain a good image at all times, and white teeth are naturally very important to celebrities. Why are celebrities’ teeth always so white? How do celebrities whiten their teeth? Now let’s reveal the celebrity’s secret trick for whitening teeth. As a popular actress, Li Bingbing takes great care of her teeth. Home dental strips and cold light whitening are the secrets of Li Bingbing's teeth care. For Kim Hee Sun and other Korean superstars, the secret to teeth whitening is cold light whitening. It is said that cold light whitening first became popular in Hollywood in the United States, and Korean beauties responded enthusiastically once they learned about it. This is a new whitening method that uses cold light to shine on the teeth that have been coated with whitening agent, and the whitening effect can be seen in a very short time. For busy beauty celebrities, it is undoubtedly the most efficient choice. Fan Bingbing's teeth whitening technique is similar to Kim Hee Sun's, using cold light to whiten her teeth. The process of using cold light whitening technology is very user-friendly and will not be as painful as porcelain crowns. The protective layer to prevent gum allergies will also keep the gums healthy. Now that you know how celebrities whiten their teeth, if you are also interested in cold light teeth whitening, you might as well try it yourself. Cold light whitening technology adopts the principle of physical reduction, which is very safe for gums or oral tissues and will never harm any oral tissues; low-temperature cold light, hydrophilic drugs and a whitening process that does not come into contact with the gums completely avoid the need for tooth contact during the operation. Nerve stimulation will not cause any damage to the teeth.