How to pick dry hand washing<br>Dry hand washing is an alcoholic hand sanitizer, sprayed in the hands will automatically volatile, if the product is directly selected, it is recommended to select the alcohol concentration of 70 to 75% of the products, this concentration can dissolve the bacteria outer membrane, to kill the effect of germs. If there are no obvious contaminants such as dirt, dust or secretions on your hands, use dry hand washing to rub for 20 seconds, the sterilization effect is almost 99%
正在翻譯中..
