Great bug and fly deterrent with all natural ingredients specifically designed for your big wonderful horses. Ingredients: Distilled Water, Neem Herbal Oil, Citronella (Cymboporseon nardus), Tea Tree (Melaleuca alternifolia), Lemongrass (Cymboporseon flyxuosus), Eucalyptus (Eucalyptus globulus), Lavender (Lavandula angustifolia) & Peppermint (Mentha arvensis) Essential Oils