This is a perfectly selected toothbrush! Our team searched for proper equipment in China, the United States, Japan and Germany and more than 10 large companies. The team have researched and developed for 2 years, broke the mould for 23times; 6 experts took part in facility improvement, with 181 times bristle planting experiment, 63 times of process improvement, 23 times of quality control procedures, and market investment for more than 5000 persons. Finally, we designed the toothbrush successfully. The diameter of general bristle is 0.12-0.2mm, after strict mechanics calculation and bristle tenacity experiments, we determined the diameter of the bristle to be 0.07-0.1 mm; then the first difficulty we met was how to make the bristles diameter to be less than 0.1 mm, thinner than a hair; after discussing and communicating the technology with many producers and more than ten thousand times of bristle-drawing experiment, finally we did it. Super-dense bristles planting technology, after 181 times of bristle planting experiments by the R&D team, intensive bristles like a plane, 10 times of the number of the general bristle, to disperse gingival pressure to the great extent, conserve and care gingival. Adopt high density bristle planting process without metal, and the bottom of the toothbrush head is hot melt into an integrity, without the problem of rusts or sheltering dirt; the antibacterial bristle makes it more environmental protection and health.Note: The color of the toothbrush is shipped randomly
Trustpilot
1 week ago
1 month ago
