Eliminates fleas, ticks, mites and lice. De Flea Pet & Area Spray work on all stages of the insect's life cycle without harsh chemicals or pesticides. Contains dioctyl sodium sulfosuccinate undecyclenic acid to soften the waxy exoskeleton of fleas, ticks, lice, mites and other harmful insects until the internal organs are saturated and the insect quickly dies. All De Flea products can be used with other flea products. Pet Area Spray treats pets, carpets, beddings and furniture.