Tested and proven effective against 5 types of flies, mosquitoes, lice and gnats on horses, and fleas and ticks on dogs and cats Contains the botanical repellent PyGanic®, the first pyrethrum listed by the Organic Materials Review Institute for use in organic farming Also contains botanical and essental oils of citronella, clove stem, thyme and corn mint Available in 32 oz with trigger sprayer and gallon refill