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Toothbrushes usually have two disadvantages.
1.toothbrush is easy to cultivate bacteria.
2.you will waste a lot of material , when you replace it.
The LOHAS toothbrush can remain standing , because the body's center of gravity at the bottom , and the smooth surface design , water droplets can not stay.
More importantly , you can save 70% of the material , when you replace it .
Department of lndustrial Design
Department of Industrial Design