Can Dettol Kill Cockroaches? (and Other Pests)

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Updated on March 8, 2023

Cockroaches and other pests can be an annoying problem to deal with. Thankfully, there are many products available that can help to eliminate them. One such product is Dettol. But is it effective?

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This article will explore the effectiveness of Dettol in killing cockroaches and other pests. We will look at how it works and the precautions that need to be taken when using it.

Can Dettol Eliminate Cockroaches?

Yes, Dettol can kill cockroaches. Dettol can be used as an insecticide to kill roaches and other insects. However, it will not kill the eggs or prevent cockroaches from entering your home.

The good news is that it will kill a roach within a minute or two!

Do Cockroaches Hate Dettol?

many cockroaches

Yes, they do. The disinfectant chloroxylenol, which is found in Dettol, has a strong scent and is relatively non-toxic, appears to repel roaches effectively.

But to kill a roach with Dettol, it has to cover their entire body or you spray it on their head, the bug will try to clean itself and it will get into its mouth.

Can Disinfectant Kill Cockroaches?

Yes, using disinfectants ensures roaches lose their light. Whenever you find roaches under the sink, in your kitchen sink, or in the bathroom, simply use a disinfectant like Dettol, Lysol, or bleach spray (on some surfaces). It may take a couple of applications to actually kill the bugs.

Does Dettol Kill Lizards?

Yeah, Dettol does kill lizards. Simply mix 1 part Dettol with 10 parts water in a spray bottle. Once sprayed on their face, it typically takes 5-10 minutes for them to start feeling the effects.

Does Dettol Kill Flies?

Yes, it will eliminate flies if you spray it directly on them. It also works well as a fly repellent.

Can I Use Dettol for Mosquitoes?

Try a baby oil and Dettol mix (24% Dettol to 75% baby oil). That combination will work in fighting mosquitoes. However, be aware that it has a strong smell and is very greasy.

How Long Can You Keep Diluted Dettol?

You can keep diluted Dettol for as long as you want but it’s generally recommended to use it within a couple weeks as its effectiveness is reduced over time.

Does Dettol Kill Spiders?

how to get rid of spiders

Dettol antiseptic and Dettol multi surface cleaner effectively kills most creepy crawlies if they are covered in it. However, spiders killers like Terro, will work quicker and be more effective overall.

Does Dettol Repel Spiders?

Dettol does repel spiders since spiders do not like getting wet. In addition, Dettol will repel various insects which which spiders typically feed on. With no food in the area, spiders will simply move on to another location.

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Does Salt Kill Cockroaches?

Cooking salt will not harm roaches. But, Epsom salt (a.k.a magnesium sulfate) is dangerous to roaches. Apply it like you would baking soda.