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Smiling mask / Color-changing emotional mask

Smiling mask

With the spread of Covid-19, masks are essential for everyone. With their faces covered by masks, people become more aloof from each other in the tense atmosphere. The current international standard for disposable masks is 4-6 hours. After 6 hours, the protective effect of masks decreases and the risk of infection increases.Being printed with facial expressions on the outside of disposable masks, It can convey goodwill and shorten the distance between people. The facial expressions will fading gradually with time spent in air exposure.The user knows that the mask needs to be replaced by observng the disappearance of the facial expressions.


South China Agricultural University

South China Agricultural University
Guangzhou, China

Bo Yang,
South China Agricultural University

Bingxue Lv,
South China Agricultural University

Huixia Liu,
South China Agricultural University

Huanhuan Xu,
South China Agricultural University