Matters needing attention
1. Pay attention to the validity of medical masks
The production validity period of general medical surgical masks is three years, and the production validity period of medical protective masks is five years. Once the mask validity period is exceeded, the filtering efficiency and protection performance of the filter materials will be reduced. . Before using a medical mask, be sure to confirm the production date and expiration date.
2. Always wash your hands before and after wearing a medical mask
Be sure to wash your hands before wearing the mask, avoid touching the inner surface of the mask, and avoid touching the mask as much as possible to avoid reducing the protective effect. When removing the mask, try not to touch the outside of the mask to prevent bacteria from getting on your hands, and be sure to wash your hands after removing it.
3. The mask should not be worn for a long time
In order to prevent infection, some people may wear medical masks all day long, but this will make the nasal mucosa fragile, lose the original physiological function of the nasal cavity, and reduce resistance, so it may not be used in ventilated places with low population density Wear a mask.
4. Fold the medical mask when not in use and store it in a ziplock bag
It is not recommended to take off the mask and stuff it directly into your pocket or bag. This can easily cause secondary contamination of the medical mask. Be sure to fold it into a clean ziplock bag and fold the side that touches the mouth and nose inward.