Peppermint essential oil smells pleasant to most humans…but not so much to bugs! That’s what makes it a more attractive oil to use for people who hate the overwhelming fragrance of some of the other oils on the list like citronella. It not only has been shown to keep bugs away, but it kills many insect larvae before they can even hatch into full-grown insects.Peppermint essential oil is one of oil for mice repellent spray. It is generally safe for people of all ages over 24 monthsThis oil is said to keep the mosquitos away & prevent insect bitesShake well before spraying on clothing, linen or curtains, toilet, living room, car....This method is less potent than vaporising as the mixture is less concentrated, but it’s a quick fix if you don’t have a vaporiser.