(Farnam) Bio Spot Active Care Flea and Tick Spray for Dogs and Puppies is a fast-acting formula that kills fleas and ticks on contact and repels mosquitoes. Kills all flea life stages, including eggs and larvae, to stop re-infestation. Contains etofenprox, (S)-methoprene and piperonyl butoxide. Insect growth regulator effectively breaks the flea life cycle and controls reinfestation for up to 2 months. Cover animal’s eyes and spray coat until damp. Thoroughly wet individual ticks. Bio Spot Defense Flea & Tick Spray for Dogs and Puppies may be reapplied every two weeks. Do not use on puppies under 10 weeks of age.