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How to buy dust-free purification cotton swabs and what to pay attention to
Nowadays, the application of cotton swabs is more extensive, and cotton swabs are needed in large and small areas of action, but there are many types of cotton swabs. Cotton swabs such as dust-free purification cotton swabs are mostly used in dust-free environments, so the use of purification cotton swabs , how should I choose?
First of all, most of the cotton swabs sold in supermarkets have not been sterilized and are suitable for ordinary cleaning work such as makeup. If you are dealing with wounds, it is best to use sterile cotton swabs, such as those from hospitals or from pharmacies. Secondly, in the sterile cotton swab, one is wrapped in yellow paper. This cotton swab has been sterilized at high temperature and high pressure, and usually has a shelf life of two weeks in the unopened condition. The weather in the south is humid, and the wrapping paper is susceptible to moisture, and the shelf life may be shortened to about a week. The other is sterilized by ethylene oxide gas, sealed in a plastic bag or box, and has a shelf life of about 2 to 3 years.
Precautions for dust-free purification cotton swabs
1. After the sterile cotton swab is used up, it is necessary to seal the outer package. Once the outer package is opened and stored properly, it can remain sterile within 24 hours. If it exceeds 24 hours, it will no longer be sterile due to contamination by bacteria in the air. bacteria.
2. Disinfection only kills pathogenic microorganisms, while sterilization can kill the seeds or spores of bacteria. Cotton swabs contain bacterial spores, which the disinfectant can't do anything about, and even the disinfectant may be contaminated. At this time, not only will it not be able to disinfect, but it may cause infection, so do not use cotton swabs that are no longer sterile on the wound.
3. Do not place cotton swabs in the ear canal. Using a cotton swab to remove earwax can cause the earwax to fall out of its original place and build up in a pile, which can more easily penetrate the ear canal and block the ear, causing pain, hearing problems, tinnitus or dizziness, and may require medication to resolve if necessary. Another cotton swab may go too deep and cause the eardrum to rupture.