Hand Sanitizer: what kind of sanitizer is prevented COVD-19

Hand Sanitizer

                Hand Sanitizer: Prevent Coronavirus

    Hand Sanitizer: One the Institute of Liver Diseases of the hospital in china found that 2019-nCoV nucleic acid (new coronavirus) was positive in the stool of some patients with pneumonia diagnosed by new coronavirus infection. May indicate the presence of a live virus in the stool. Researchers are currently researching to isolate the virus further.

    Besides, a recent article in the international medical journal New England Journal of Medicine also revealed that doctors detected the presence of a new coronavirus in a diarrhea stool sample of the first "new pneumonia" patient in the United States (RRT-PCR result was positive).

    Always wash your hands with running water, not basin water, and rub for at least 20 seconds. You Can Not Simply wash your hands with Plain Water. You must use soap or hand sanitizer to remove pathogenic bacteria effectively.

★ If soap is used, it should be kept clean and dry. It is best to use handwashing liquid in disposable packaging. If you use replacement packaging, clean and disinfect the container before each packaging, After the soap is cloudy or discolored, it needs to be replaced.

★ If you use an alcohol-free hand sanitizer, please pay attention to the expiration date of "use after opening bottle" in the product description. Generally, the use period after opening the bottle does not exceed 30 days.

★ Do not "dry" your hands after washing. Prepare a hand towel or dryer in advance.

Myth 1: All hand sanitizers can kill bacteria

    Hand sanitizer is mainly divided into common type and antibacterial sterilization type, so not all hand sanitizers have a bactericidal effect. Among the antibacterial hand sanitizers, the antibacterial hand sanitizer has a bactericidal effect. Still, the sterilization rate is relatively low, generally greater than 90% can play an antibacterial effect, and the sterilizing hand sanitizer requires a target bacteria sterilization rate of 99.99%.

Misunderstanding 2: Use hand sanitizer instead of hand washing

    When using disposable hand sanitizer, there will always be substances on the surface of the hand, so it is usually used As small as possible. It's Ideal to wash your hands with running water and soap. Besides, many people use handwashing disinfectant wipes instead of washing their hands before eating. Experts point out that wipes cannot replace hand washing, and no matter how many times the wipes are wiped repeatedly, they can't remove bacteria on the skin surface.

Myth 3: The more hand sanitizer you use, the better

    Many people are afraid of not being clean, so they put out a lot of hand sanitizer on their hands and rub them vigorously while washing. Such deep cleansing can damage the skin, making the skin not only unable to retain moisture but also easier for germs to invade.

Myth 4: Wash your hands with a washbasin

    Many people think that using a washbasin to wash their hands can also wash their hands. In fact, after repeated hand washing, the water in the washbasin has become dirty. Washing hands with dirty water is still dirty, and the purpose of washing hands is not achieved. There were even multiple people washing their hands with a basin of water, and the degree of contamination of that hand was Even more severe.

Myth 5: Dry both hands with a towel after washing

    After washing their hands, they should be dried naturally or wiped with disposable paper towels. It is best not to use towels, because towels are easy to hide germs, and it is easy to contaminate germs with washed hands. Do not use public towels.

Myth 6: Do not wash your hands after drying

    Dirty clothing and germs in the washing machine can become contaminated during the washing process. In the process of drying clothes, these hands are likely to be stained with bacteria. The clothes can be disinfected by ultraviolet radiation, but the hands are often ignored.

     Disposable hand sanitizers are usually formulated with disinfectant ingredients, volatile solvents, and skincare ingredients. After washing the dirt on the hands, the solution will automatically evaporate without the need to rinse with water. Now the simplest formula for no-wash hand sanitizers on the market Similar to disinfecting wet wipes. It uses 75% alcohol and 20% glycerin. Among them, alcohol plays a role in both washing and disinfection. Glycerin acts as an emollient and moisturizer. After usage, the alcohol disappears by itself. Glycerin remains on the skin to nourish the skin. There is another type of alcohol-free hand sanitizer specially designed for children. Its essential ingredients are benzalkonium chloride, plus medium-chain triglycerides, triethyl citrate, and other lipids. Benzalkonium chloride is a disinfecting ingredient in leave-in hand sanitizers, and fats are ingredients for skincare. Then, the alcohol will evaporate after washing your hands, so you don't need to wash your hands.

The main effective cleaning ingredient

　The main effective cleaning ingredient of soap is weakly alkaline fatty acid sodium, which is a surfactant. Soap is a mild alkali, and its alkaline properties help it damage microorganisms. Besides, after the surfactant interacts with the hydrophobic part of the bacteria, the bacteria can be washed away under the action of flowing water. Because the time for handwashing is generally not long (a few minutes), the ability to use alkaline disinfection is significantly reduced. Therefore, the cleaning effect of soap is more of a physical process. Through the action of surfactants and bacteria, the process of rubbing hands constantly is carried away by using running water to take the bacteria off, and washed into the sewer instead of killing it.

Hand sanitizer: generally the main ingredient contains benzalkonium chloride

　 Secondly, we have to realize that whether it is a disposable hand sanitizer for adults or a hand sanitizer for children (generally, the main ingredient contains benzalkonium chloride), it will irritate human skin, especially for sensitive skin. We will find that long-term workers at the P2 level and above are prone to skin problems because they wash their hands with a disposable hand sanitizer in the laboratory. For children, the intolerance of alcohol, it is strictly prohibited to wash their hands with alcohol-based hand sanitizer and there is a risk of eating residual alcohol.

　 In daily life, soap + running water can wash away most bacteria and effectively protect your health. The effectiveness of washing hands with soap and water can remove most bacteria, including anthrax virus spores. However, after long-term use of soap, dust and bacteria are easy to accumulate on the surface, Also it's not hard to cause secondary contamination of the skin during repeated use. Sharing soap may also cause cross-infection. It is recommended to use small pieces of soap to shorten the use cycle and increase the frequency of replacement. For travel, use disposable travel soap flakes. Besides, avoid immersing soap in water for a long time to prevent breeding bacteria.

　From the above, in daily life, to reduce skin irritation, you can choose to wash your hands with running water, apply an appropriate amount of soapy water, and then rinse thoroughly under running water, which can effectively eliminate bacteria on your hands.

    Disposable hand sanitizer is still recommended to be used as a special occasion for emergency products, such as public places (hospitals, train stations) with a large number of people, high epidemics, and short-term use when it is not convenient outdoors.

How to choose hand sanitizer?

  Check the formula of the hand sanitizer. When buying hand sanitizer, pay attention to check the content of the active ingredients on the label. Some hand sanitizers will use alcohol, p-aminobenzoic acid, and isopropyl alcohol instead of alcohol. It should be noted that in either form, the alcohol content should be between 60% and 95%. If the content is less than 60%, it cannot effectively kill viruses and bacteria. If it is higher than 95%, the bactericidal effect is also Will be suppressed.