1 hand washing liquid can not sterilization and decontamination
Dirt removal, sterilization and disinfection is the main purpose of hand washing, and hand sanitizer can only meet the bactericidal effect, because most of the hand washing liquid containing alcohol, alcohol can not effectively remove attached to some of the dirt in the skin of small cracks, such as dust, dirt, blood stains and other to once contaminated hands such contaminants, only use hand sanitizer is not enough. Visible, the premise of the use of hand washing liquid is the first to remove the dirt. So, in this case, you should use the soap to wash your hands, rather than simply using the liquid soap.
2. The point of view of chemistry, the soap is alkaline, bacteria in alkaline conditions will destruction of the bacterial cell wall and achieve decontamination sterilization effect; soap alkaline properties of mud, blood stains and other pollutants has strong decontamination ability.
3 the function of the hand washing liquid is similar to that of soap, and the function of mechanical friction and surface active agent is to remove dirt and attached bacteria. How to wash liquid sterilization effect, mainly depends on the alcohol content and sterilization bacteriostatic compositions.