Tick Killz is a liquid concentrate product that's made with 100% All Natural ingredients. It will knock down ticks, mosquitoes, fleas and other nuisance insects on contact and also provide on average 4 weeks of residual repellent benefit after each application. Tick Killz is 25b exempt (meaning no EPA pesticide registration number), is safer for use around children and pets and will not harm beneficial insects. Tick Killz is a highly effective All Natural alternative to the chemical treatments typically used for tick and mosquito sprays.