Which is the best choice for soap or hand sanitizer?
Hand washing is indispensable in our daily life. Frequent and correct hand washing can effectively reduce the bacteria on hands and reduce the chance of hand-transmitted diseases. So is it better to wash hands with traditional soap or hand sanitizer?
WHO has three requirements for hand washing: running water, soap / hand sanitizer, and kneading for more than 20 seconds.
In fact, the same effect of hand sanitizer and soap is hand washing, which can remove the dirt and attached bacteria on hands through mechanical friction and surfactant, combined with the washing of flowing water.
Soap is composed of fatty acid or its equivalent and alkali compound. It has strong alkaline and degreasing properties and can effectively remove oil stains. The US Food and Drug Administration (FDA) has identified soap as the best hand washing product. Washing hands with flowing water and soap can completely prevent the spread of disease, without using other products. However, soap is easy to be wet when it meets with water, which can breed bacteria and cause secondary pollution and cross infection, so it is not suitable to use in public places.
The contact surface between hand and hand is only on the pump head of the bottle, and it is easy to clean, which greatly reduces the possibility of cross infection and secondary pollution. At present, hand sanitizers in China are divided into two categories: ordinary hand sanitizers and disinfection products. Ordinary hand sanitizers play a role in cleaning and decontamination. Hand sanitizer contains antibacterial, bacteriostatic or bactericidal active ingredients.
The decontamination ability, soap > hand sanitizer
The sterilization ability, hand sanitizer > soap
“How to wash hands” is more important than “what to wash hands with”. Research shows that most bacteria can be eliminated by washing hands carefully with soap or hand sanitizer. Instead of worrying about soap or hand sanitizer, it’s better to take hand washing seriously. Hand washing can basically keep hands clean as long as the following methods are followed:
1. Use soap or hand sanitizer
2. Wash the wrist, palm, back of hand, finger seam and fingernail for at least 20 seconds each time
3. Wash your hands with running water and wipe them with paper towel or your own towel
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