Our Natural Insect Repellent 30+ is formulated from a blend of natural plant oils derived from the Lemon Eucalyptus plant. The active ingredient Citrepel® 75 is proven by scientific research to repel mosquitoes, midges, horseflies, sandflies, gnats and ticks. It also includes pyrethrin to act as a bite inhibitor. Each application of the Natural 30+ repellent will last for up to 8 hours and is also suitable for use on children over 2 years of age. Re-application may be required in areas with high temperature and humidity.