Ben's® 30% DEET Tick & Insect Repellent contains the maximum amount of DEET for use in areas of high bug density with intense biting activity. For use when other insect repellents just won't cut it, Ben's 30% DEET provides up to 10 hours of protection from ticks and insects that may carry the Zika Virus, West Nile Virus, Lyme disease, and other infectious diseases.