The pillow is changed once a year.
After long-term accumulation, the oil on the hair and scalp will penetrate into the fiber and pillow core of the pillow, thus breeding bacteria and easily causing allergies and respiratory diseases. If your pillow has lost its elasticity or is uneven, it means that your pillow should be changed.
Mattress should be replaced every 5- 10 years.
Although a good mattress can be used for 9- 10 years, the support of a good mattress will decrease after a long period of wear and tear, thus affecting the quality of sleep. In addition, there are many stains on the mattress that can't be cleaned, so you can sleep with bacteria directly. Therefore, it is recommended to change the mattress once every five years, especially for people who have poor sleep. Among the people who change mattresses every five years, most people have better sleep quality and less back pain.
Check the air conditioning filter every 6 weeks.
Generally speaking, the service life of household air conditioners is more than 15 years, and the maintenance of filter elements plays a decisive role. It is best to check and clean the filter every 6 weeks, especially in wet weather.
Vitamin drugs stored for more than 2 years
A test by Harvard University found that vitamin drugs can only be kept for two years if they are kept in a cool and dry place. Therefore, if you have this medicine at home, even if it is not expired, it is best not to take it again.
The water purifier is changed every six years.
General household water purifiers use the principles of filtration and infiltration to remove microorganisms, bacteria and other substances from tap water. But after a long time of use, the filtering function of the water purifier will not only decline, but also breed some bacteria, which is not conducive to people's health.
March of contact lens cleaning solution
Once the lid of the cleaning solution is opened, bacteria can easily come to the door, increasing the risk of eye infection. In addition, it is best to replace the box for storing contact lenses in March.
Replace the toothbrush every 3-4 months.
When bristles are worn or used, they not only can't be cleaned, but also make teeth more prone to decay.
Eye cosmetics should be thrown away after 6 months of opening.
Eye cosmetics, such as eye shadow and mascara, will repeatedly come into contact with bacterial environment after opening the package, and the preservatives inside will basically not work again after continuous use for 6 months. If you don't stop using it, you will increase the risk of eye infection.
Use the last drop of alcohol for external use.
Even if exposed to the air, the mixed solution of alcohol and water can still maintain a stable drug effect, effectively killing any microorganisms and bacteria that enter the bottle.