Orange Guard Home Pest Control water-based formula. Kills on contact. May be used around food, humans, and pets. All ingredients generally recognized as safe by the FDA. EPA registered. Fresh citrus scent. Can be used indoors or outdoors. Broad range contact insecticide and broad range residual repellent. Works on ants, fire ants, roaches, fleas, silverfish, aphids, spider mites, leaf hoppers, scale insects, and other insect pests.