Great for walking camping and travel to keep those nasty bugs awayformulated from natural ingredients including a derivative of lemon eucalyptus that is equivalent to a 35 formula of deet expedition natural is suitable for people with sensitive skin or who do not want to use a stronger deet based repellent it is effective against mosquitoes midges horseflies sandflies gnats fleas and ticks supplied in a 100ml pump spray bottle one application is effective for up to 6 hourscolour s