Enjoy effective protection from mosquitoes with plant-based Natrapel Lemon Eucalyptus insect repellent. This DEET-free bug spray repels mosquitoes for 6 hours using Oil of Lemon Eucalyptus, an active ingredient made from Lemon Eucalyptus tree leaves that is the only naturally derived ingredient recommended by the CDC. An effective DEET alternative, Natrapel is a great bug repellent for the whole family and is safe to use on gear and clothing. The environmentally friendly Eco-Spray bottle sprays at any angle for easy, consistent coverage without using any ozone-depleting propellants.