Hi there. You can have a try on Chinchex insecticide powder. It is safe to use, silica is used as food additive and diet supplement. Super effective, ChinCheX kills bed bugs 10 times faster than DE powder. It is also a physical pesticide, bed bugs can't develop resistance to ChinCheX.*100% no harm to human, kids and pets friendly. You can order from chinchex.sg or w w w.amazon.sg/Chinchex-Bed-bugs-Insecticide/dp/B082TVPHPG/ref=sr_1_1?keywords=chinchex&qid=1579660063&s=gate way&sr=8-1