Kills bedbugs, fleas, brown dog ticks, and dust mites. Aerosol for spot treatment of mattresses and boxsprings. Kills on contact and kills bedbug eggs before they hatch. Water-based. Dries in 2 hours. Nonstaining formula. Treats mattresses, furniture, curtains, and bedding, anywhere you see bedbugs. Active ingredients: 0.40% Phenothrin, 1.60 MGK 264.