Why can soapy water kill cockroaches?

You can use soapy water to deal with cockroaches, or draw a line with soapy water along the places where cockroaches often haunt. The main ingredient of soap is sodium stearate, so the ingredient of soap is non-toxic. Cockroaches are afraid of soap because the grease in their stomachs will dissolve when they touch soapy water, covering their pores and making them unable to breathe. Cockroaches don't move for about ten seconds after touching soapy water, which is much more effective than pesticides. This method is suitable for the situation that cockroach pests are already serious at home.

Extended data:

Cockroaches' weaknesses:

Cockroaches are omnivorous insects They are hungry, but not thirsty. When killing cockroaches at home, citizens should cut off the water source, turn off the tap, dry the water, and draw a line with soapy water around the pool, urinal and refrigerator base, so that cockroaches will die after touching water and food.

When you see a cockroach, you can't "eat it all";

Cockroaches have a lot of bacteria. If they are killed, bacteria can easily remain, thus affecting human health. In addition, if it is a female cockroach, the egg shell at its tail is easily damaged by flapping, and as many as 40 eggs inside will overflow, and these eggs will develop into cockroaches, which will be "endless troubles".

It is suggested that professional drugs should be used to kill cockroaches, and the body of cockroaches should be removed from the scene as completely as possible, then the scene should be wiped clean with wet cloth or paper, and the body should be completely burned with fire.

People's Network-How to prevent three common ways to kill cockroaches at home?

People's Network-You can't "get things done at once" when you see cockroaches.