Kills and repels fleas, ticks, lice, flies and mosquitoes on dogs. Also kills deer ticks & other tick species that may carry and transmit Lyme Disease. Contains Nylar®, an insect growth regulator that inhibits the development of immature stages of fleas preventing them from reaching the adult biting stage, & continues to kill hatching fleas (larval) for 2 mos. Provides effective knock-down and quick-kill upon direct contact. Active ingredients: 0.180% pyrethrins, 0.125% Nylar® and 1% n-octyl bicycloheptene dicarboximide. Spray on dog until damp using fingertips to apply to face area. Repeat every 2 mos. Also for use on carpets, rugs, draperies, upholstery, pet bedding, floor cracks, cabinets and areas where dog frequents. Do not treat dogs under 6 mos old. Do not use on cats.