Other essential oils such as lavender, lemongrass, or peppermint oil may repel fleas when diluted and applied under your veterinarian’s care. Some pet parents prefer a natural flea spray or powder.

Beloved Pets’ flea and tick spray repels pests using a blend of essential oils. Citronella, eugenol (clove), lemongrass, peppermint, and tea tree oils combine to defend pets from fleas ...