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[Roly Poly Spray Brush]
The general bathroom brush is protected against the exterior air as it is kept in a cover, which results in the easy bacterial multiplication and, consequently, the occurrence of secondary diseases. The Roly Poly Spray Brush which improved the problem can be kept easily on edge without a brush cover with the application of the principle of roly poly. As it doesn’t have a cover the wet brush is dried quickly, which prevents the bacterial multiplication by the humidity.
Gyeonggi-do, South Korea
Changwon National University
Catholic University of Daegu