5 Essential Oils with Mosquito Repellent Properties
Many aromatic essential oils have insect–repelling property, particularly those containing volatile substances like linalool, thujone, geraniol, citronellal, citronellol, limonene, pinene and eucalyptol. They have been found to be effective in keeping mosquitoes at bay for a short period of 2-4 hours because of their high volatility. Repeat applications may be necessary, but essential oils, especially the ones derived from culinary herbs, may be safer than other chemical deterrents. Mixing them with non-volatile agents like soybean oil or witch hazel extract can help extend their action.
Lemon eucalyptus oil
This essential oil extracted from the leaves and bark of the lemon eucalyptus tree Corymbia citriodora consists of nearly 80% citronellal in addition to appreciable amounts of eucalyptol, linalool and limonene. Hanging branches of eucalyptus at doors and windows and burning the leaves and wood in the evenings were traditional ways to repel mosquitoes in many parts of the world. The commercial mosquito repellent p-menthane-3,8-diol, commonly known as (PMD), considered a safer alternative to DEET, is based on lemon eucalyptus oil.
Basil Essential Oil
The culinary herb basil is often cultivated close to homes to repel bloodsucking insects, including mosquitoes. The oil extracted from the leaves can be used in mosquito repellent ointments and sprays.
Citronella oil
It is extracted from several types of lemongrass Cymbopogon spp., and is commonly used in insect repellant candles and ointments. It is found to be particularly effective against Aedes aegypti mosquitoes that transmit yellow fever as well as Dengue and Zika viruses. Growing citronella around your garden is also a good way to repel mosquitoes.
Catnip essential oil
Of the different essential oils derived from aromatic mint family plants, catnip essential oil derived from Nepeta cataria has been found to be most effective against mosquitoes. Catnip has been historically used for the purpose by many tribal communities who just rubbed the leaves on the skin before hunting trips.
Geranium essential oil
The oil extracted from the aromatic leaves and stems of Pelargonium odoratissimum contains Linalool, Limonene, Citronellol and Alpha-pinene, apart from Geraniol which has proven mosquito repellent action.
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