Murphy's naturals plant based DEET-free lemon eucalyptus oil insect repellent goes on easy with a cool, refreshing scent. This unique, plant based active ingredient repels mosquitoes, include those that may carry Zika virus, West Nile virus, Dengue virus and Chikungunya virus. Made with Citriodiol®, a clinically proven plant based insect repellent that is naturally and sustainably sourced. Our 4 oz pump spray bottle contains 30% oil of lemon eucalyptus, the only plant based ingredient recommended by the Centers for Disease Control and Prevention (CDC). Good for the family, good for the planet.