Whitening toothpastes efficacy questioned again

A wave not flat, something new, the whitening toothpaste containing bleach after the event, all sorts of whitening, anti-inflammatory, moth-proofing, anti-allergic effect and so on toothpaste without effect phenomenon has become a focus of public opinion, people worried about the safety of the toothpaste on the one hand, on the other hand also question the result. Thank a gentleman to tell a reporter, due to their smoking teeth yellow, can want to buy a whitening toothpaste. In the supermarket when he saw a marked new technology whitening toothpaste, is developed by the United States formula of Colgate light, white toothpaste. Thank a gentleman to think Colgate brand awareness is higher, just bought one. But a finished, thank a gentleman to think teeth did not change significantly. Therefore, thank a gentleman to question the Colgate toothpaste is false advertising. According to the China clean oral care industry association statistics, according to the results of whitening toothpastes about % of the market share in China. Frequent and consumers have been questioned. The oral medical school of Peking University dental experts Wang Weijian said in an interview, your teeth yellow reason mainly has two aspects, one is exogenous coloring, one is the endogenous coloring. Wang Weijian went on, people eat three meals a day grain, including YanZi, tea, coffee, red wine and other vegetables such as pigment, adhesion on surface of the teeth, dental tartar was formed in the long run, rust, cause yellowing teeth. Through certain efficacy of toothpaste, friction can remove the dirt, thus plays the whitening effect. Toothpaste contains whitening ingredients in some of them are peroxides. Also do some teeth beauty, dental clinic with peroxide under general concentration in the %, through the REDOX reaction to remove stain. Editor: Johnny