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Color-Changing Face Mask / Medical Mask

Color-Changing Face Mask
Color-Changing Face Mask

Masks are one of the best choices to deal with respiratory infections.Due to the lack of relevant knowledge, however, users may not know how to use masks correctly. The color-changing mask will gradually turn red in 4 hours from its original shape to remind users to replace or dispose the mask in time. A number of bumps are set on the outside of the mask to distinguish its orientation. Graphical instructions are also drawn on the back of the mask package to help users learn the proper way to use the mask. It is also suitable for children or those with less education.


Sichuan University

Sichuan University
Chengdu, China

Xinyue Fang,
Sichuan University

Qinglin Liao,
Sichuan University

Xinrong Wang,
Sichuan University

Xinyi Zheng,
China University of Geosciences (Wuhan)