What Essential Oils Repel Dogs. Neem essential oil also reduces insect feeding and messes up their hormone system, making it harder for them to lay eggs and grow. Rose geranium essential oil is last but not least on our list of the best essential oils for fleas that work strictly as repellents.
The aroma will help keep fleas and ticks away. Some essential oils can actually be very harmful to your furry friend. Great for repelling ticks & soothe your pet’s skin.