Essential Oils That Repel InsectsMosquitoes: Citronella, peppermint, lemon, eucalyptus, basil, clove, thyme, lemongrass, geranium, and lavender;Fleas: Cedarwood, citronella, eucalyptus, tea tree, lemongrass, lavender, orange, and pine;Ticks: Rose geranium, juniper, rosewood, thyme, grapefruit, and oregano.
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