Horse Fly Spray repels and kills flies and other insects for up to 10 to 14 days Combines pyrethrins with cypermethrin for a fast acting, long lasting fly spray Contains sunscreen and has a water based formula that wont irritate sensitive skin Not for use on horses intended for human consumption Wash hands with soap and water after useIngredients: cypermethrin-0. 150%/pyrethrins-0. 200%/piperonyl butoxide technical*- 1. 600%/butoxypolypropylene glycol-5. 000%/other ingredie-nts-93. 05%/= equivalent to 1. 28% (butylcarbityl) (6-propylpipe-ronyl) ether and 0. 32% of related compounds.