Ben’s 30 Standard Strength is a water-based 30% concentration DEET insect repellent, providing up to 8 hours protection against mosquitoes, midges, ticks and all types of biting insects.
Ben's Insect Repellent is 50% DEET, its serious stuff for savage conditions - giving you 10 hours protection against the most vicious biting bugs. Use it when the risk of being bitten poses a real danger or threat - in exotic holiday locations, on safari, overland trekking, or pursuing outdoor activities at the height of the biting season.