An Ounce of Prevention Organic Flea & Tick Repellent - 15 ml BottleOrganic Essential Oils:Lemon EucalyptusPatchouliGeraniolRosemaryLemongrassCatnipPeppermintOur "Ounce of Prevention" is the essential bug repellent for dogs. Repels ticks, fleas, mosquitoes and other crawling and flying things. Organic, All Natural, Powerful. Micro-drop applicator so no more wasted spray and nothing to spill. Directions for use:An Ounce of Prevention's easy droplet applicator bottles let you apply it..