1. What is toilet water? Toilet water, also known as anti-mosquito water and anti-mosquito spray, is a chemical agent used to repel mosquitoes. Its main ingredients usually include DEET (diethyl formamide), IR3535 (ethyl acetyl syringate), Lemon Eucalyptus Oil (lemon eucalyptus oil), etc. 2. Can pregnant women use toilet water? Pregnant women should consult a doctor before using any drugs or chemicals. As for toilet water, although there is currently no clear research proving that it is harmful to the fetus, it is recommended that pregnant women try to avoid using it. 3. Why is it not recommended for pregnant women?