VET'S BEST FLEA AND TICK HOME SPRAY kills fleas, flea eggs, and ticks by contact, without harsh chemicals, but rather with certified natural essential oils and plant-based ingredients, such as peppermint oil and eugenol (from clove plants);Not harmful to plants SAFE TO USE around your dog and the whole family when used as directed. You may even apply it directly on dogs and puppies 12 weeks or older. Our formula also repels mosquitos! WILL NOT STAIN - Spray indoors and out, in the yard and living room. Use on dog bedding, kennels & crates, pillows, blankets, upholstery, carpets, etc. Gentle on surfaces but proven effective against pests. MADE IN THE USA - The bottle is designed with an induction seal cap and detached sprayer to prevent leaks in transit. For flea and tick protection on cats, try our new Vet's Best line for cats.