Repel 94107-1 0.475-Ounce Lemon Eucalyptus Insect Repellent Pen Size Pump Spray, Case Pack of 6 Contains oil of lemon eucalyptus - the only plant-based ingredient recommended by the centers for disease control and prevention (cdc) Repels mosquitoes and deer ticks for up to 6-hour New cool, refreshing scent