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Peppermint Oil
When it comes to essential oils, everybody seems to be a little skeptical. Why? Because most of them are actually used for skincare or aromatherapy. But did you know that one is a home remedy for cockroaches? And peppermint oil is probably the most effective one.
All you have to do is mix a bit of salt with water and peppermint oil and spray the mixture over the infested areas in the house.
Make sure you repeat the operation as much as needed because you won’t magically get rid of them overnight. You will notice changes only after multiple applications.