All Natural Flea and Tick Defense:Castor oil - Castor oil has been used for years by veterinarians. When combined with other oils, helps to repel a variety of pests. * Lemongrass oil -When formulated into a spray for pets, promotes a shiny, healthy coat , and helps repel fleas, ticks, and mosquitoes * Cinnamon oil - A versatile essential oil widely used in the household. It is an effective environmentally-friendly ingredient that helps deter mosquitoes, fleas, ticks, and other pests from attacking your dog or cat. * Sesame oil - A rich, almost odorless oil derived from tiny sesame seeds. When combined with other essential oils it helps protect against pests and promotes the health of your pet"s skin and coat. * Purified water - Only the purest water is used to help blend and properly balance the unique formula of essential oils.