From the safety point of view, Miao Chong 'ai is an upgraded version of Da Chong 'ai, which contains no pesticide components, mainly Selagin and Salorana. Salorana has 244 times selectivity for GABA receptors in arthropods than mammals. However, the main component of Blaine is non-polonium, which was used as an agricultural insecticide in very early stage (1985), and its selectivity to GABA receptors in arthropods was very low, only twice that of mammals. 244 times and 2 times, the answer about who is safer is already very obvious.
Let's take a look at the effect again. The wonderful pet has a wide spectrum of insect repellent, which Boleyn can kill, and the wonderful pet can kill; Ear mites, lice and heartworms that Brian can't kill can be killed as well as loved. It is obvious which is higher or lower.