What are the disadvantages of wearing masks for a long time?

Lack of oxygen, dyspnea, allergic nose, respiratory system degradation, skin acne, scar on face, earache, blurred glasses and bacterial growth need to spend a lot of money.

Wearing a mask often can lead to slight hypoxia, and in severe cases, it can lead to difficulty breathing and a sensitive nose. Often wearing a mask will directly lead to the growth of bacteria. If it is disinfected or stored improperly, it is easy to be contaminated with bacteria, which directly leads to acne and acne on the skin, which is harmful to human health. At the same time, due to the need to change masks regularly, it is also necessary to spend a lot of money to buy masks.

Although wearing a mask can prevent inhalation infection of viruses and bacteria, it should not be worn for too long, otherwise it will isolate fresh air and lead to a decline in its own resistance. In general, it should not be worn for more than six hours.