Is fe toothpaste good? What is the principle?

FE dry-brush toothpaste, named after the English prefix FE of Fudan and Enzyme, is a kind of biological toothpaste with antibacterial, calculus-preventing, dental caries-preventing, halitosis-reducing, dental plaque, gingival bleeding-significantly improved, and symptoms caused by gingivitis.

Traditional toothpaste cleans the surface of teeth through its friction agent. Friction is a kind of "violence", and dripping water can wear away tartar. Friction can lead to rough enamel, and food residues are more likely to adhere to the surface of teeth, causing tooth decay, which is why some people think that the more they brush their teeth, the easier it is to turn black.

Traditional toothpaste also causes some people to brush their teeth "disgusting"; It has no obvious effect on oral problems such as oral ulcer, gingival bleeding and toothache, and some even have no effect; Some toothpastes also add chemical whitening agents at the expense of health, so-called whitening and so on.

In the early years, under the guidance of Academician Tan of Chinese Academy of Sciences, experts and professors from "Iron Research Group" of School of Life Sciences of Fudan University studied and tackled the disadvantages of traditional toothpaste for many years, and finally successfully developed iron biological toothpaste by using iron bioengineering technology, and passed the scientific and technological achievements appraisal and medical clinical verification.

FE dry brush toothpaste advocates squeezing toothpaste on the toothbrush without dipping it in water and "dry brush" for 2-5 minutes. Dry brushing is beneficial to the development and absorption of enzyme active factors, which not only cleans the mouth but also nourishes the gums. The "enzyme index" on the outer packaging of FE dry-brush toothpaste ranges from 3.2 to 9.8. The proposition of flying to Europe is that the higher the enzyme index, the higher the content of Fe active factor, the better the effect and the higher the price.