Lifesystems Expedition 100+ deet repellent works effectively against mosquitoes, horseflies, sandflies, migdes, ticks and other biting insects! This maximum strength repellent has a concentrated dual action formula which combines natural pyrethroids with 95% DEET for ultimate protection for all travellers. It is recommended for high risk malaria areas and not recommended for people with sensitive skin. Each application of this insect repellent will last over 10 hours (re-application may be necessary in high temperatures and high humidity areas.) The repellent is supplied in a 50ml aluminium pump spray bottle for easy application.