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Copper-free Planing
Soft & High density planting
 
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At present, most electric toothbrushes on the market use the traditional metal patch hair planting method *. The pore planting is not completely sealed, and it is in direct contact with water and toothpaste for a long time, which is prone to chemical reaction leading to rust. Use this kind of toothbrush, accumulate over a long period of time absorb heavy metal ceaselessly, easy harm human body health.
* traditional toothbrushes are fixed by metal sheets due to production process limitations.
Commonly used metal sheet for iron, copper, aluminum
 
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A bacterium that prevents metal rust at its source
And make the density of toothbrush single hole hair is higher
The bristles at the top are rounder
* it is recommended to change the brush head every three months