Mosi-guard Natural is the world’s most widely used and successful natural insect repellent. It comes in five presentations, a Pump Spray, Roll on, Cream, Stick and Aerosol Spray it is your choice of application method. The active ingredient of Mosi-guard Natural is Citriodiol®, a naturally occurring extract of lemon eucalyptus oil and is the most effective DEET free way of protecting yourself from biting insects.