The German Bayer Group is one of the world's largest pharmaceutical and chemical companies, and the aspirin and heroin, known as "angels" and "devils", were invented by Bayer. In terms of polymers, pesticides, etc., Bayer is also in a leading position in the world, and its cockroach killing bait products are widely recognized by professional sanitizing companies, except for the expensive price, there are almost no obvious shortcomings, and it is currently one of the most popular cockroach drugs in the Chinese market.
 
The active ingredient of Byexex is 2.1% imidacloprid. Imidacloprid is the first generation of nicotinic insecticides developed by Bayer AG and Japan Special Pesticide Co., Ltd., and has a different mechanism of action from pyrethroid and organophosphorus insecticides, so cockroaches do not develop cross-resistance. Imidacloprid also has a good killing effect against resistant pests. In the on-site cockroach killing test targeting the German cockroach, the exterminator can achieve more than 50% of the killing effect in one day and more than 90% in one week.
 
Residual spraying (insecticidal aerosols) is still the most widely used way to kill cockroaches, and the vast majority of aerosols use compound pyrethroids. In addition to the problem of drug resistance caused by long-term use, the inability to cover the sanitary dead end is also a major disadvantage, inhibiting the number of cockroaches in a short period of time but not eradicating the reproduction of cockroaches. Compared with aerosols, glue bait cockroach medicine has a "targeted" effect, which can quietly kill and control cockroaches for a long time without polluting the home environment.
 
The effectiveness of Byexex in the home environment is very good, which is closely related to the "perfect formula" that has been tested many times. Cockroaches are social insects that store some of their food in a bag after eating and share it with other companions when they return to the den. Using this property, the imidacloprid content was controlled at 2.1%, a dose that has been tested for many times, so that cockroaches do not poison quickly after eating the bait, and generally die after returning to the den. Cockroaches also usually eat the corpses of their deceased companions, allowing the drug toxicity to spread further and achieve the effect of killing the entire litter.
 
Byexex claims that it can achieve a long-term prevention and control effect for 6 months, but in actual use, the agent after application is easily affected by dust, dirt, etc., and it is often difficult to achieve the effect in the laboratory.