During the epidemic, the outside world laughed and said "masks on the body, face value soared", so far the ban on indoor masks is lifted, but there are still a lot of people who are reluctant to take off their masks. In fact, there is a scientific basis for "masks to cover up the three ugliness". The School of Psychology at Cardiff University in the UK completed a study last year and found that both men and women were considered to look better after wearing masks, and Louis, the face expert who led the study, said that masks shift people's attention to their eyes, and the brain fills in the missing gaps and exaggerates the overall effect. No.