Experts clarify toothpaste contains bleach problem
by:Lisson
2020-11-25
As people to use toothpaste every day, may also be hidden safe hidden trouble.
Recently, a media blackout in guangxi, China, Colgate, peers, crest, black and white a brand whitening toothpastes contain bleach, use for a long time is bad for health.
News, these big brand whitening toothpaste questioned by the public, and for the safety of the toothpaste to lead public opinion again.
According to some media reports in guangxi, they bought the, Colgate, peers, crest, black and white brands, the experiments of whitening toothpastes, according to the results of the toothpaste can use iodine solution, dilute sulphuric acid and starch and test agent fade, thus come to the conclusion that the toothpaste containing bleach composition, and said materials such as bleaching compositions could be sulfite.
Reporter then visited supermarket, has carried on the comparison of all kinds of toothpaste, found that the Chinese, such as Colgate whitening toothpastes contain water, hydrated silica, sodium lauryl sulfate fat, pearl powder, silica, calcium carbonate, the composition such as hydrogen peroxide, did not see sulfite and similar substances.
To this, according to the experiment of China clean oral care industry association made clarification on the matter and there are many types of toothpaste, the active ingredient, including material has the characteristics of reducing, react with iodine to fade phenomenon happens, that does not make the toothpaste containing bleach.
Dental experts told reporters that people is through the toothbrush and the friction between teeth brushing your teeth to achieve clean.
Various whitening toothpaste manufacturers have claimed that propaganda are suspected of exaggeration.
Even contains whitening ingredients, but because of toothpaste for a short stay on the surface of the teeth, can not play a big role.
Editor: Johnny
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