No harsh chemicals so it will not harm your dog - even if it gets on cat's skin.

Unlike harsh chemical products Flee, Flea! anti-flea and tick repellant will not harm you or your cat if it gets on the skin! Our product is not absorbed through the skin and is completely safe if your cat licks it! Gentle enough to not cause irritation and hot spots! Safe for cats 6 weeks and older. Comes in an 4 ounce sprayer.

Active Ingredient: Citronella Oil (4%)

Other Ingredients: Water, Sage Extract, Eucalyptus Extract, Yellowdock Root Extract, Fennel Seed Extract, Rosemary Leaf Extract, Lemongrass Extract, Clove Extract, Grapefruit Seed Extract, Eucalyptus Oil, Catnip Oil, Pennyroyal Oil, Soybean Oil, Lemongrass Oil, Germaben II, Neem Oil, Polysorbate 20, Coconut Fragrance.