How Effective Are Essential Oils Against Household Pests?
Essential oils can repel or cause mortality in certain household pests under specific conditions, but their effects are generally short-lived, highly dependent on concentration and formulation, and inconsistent across pest species. Laboratory and some field studies show oils such as peppermint, citronella, clove, and cedar have repellent or contact-toxic properties against ants, mosquitoes, and some…
