DEET helps protect against mosquitoes, ticks, biting flies, chiggers, and fleas. But be sure to read all labels and take care when you use them: Choose a repellent with a 10%–30% concentration of DEET ...

Dr. Camp recommends this bug spray from Off! for protecting your kiddos' skin against bug bites. It contains 15 percent DEET, but is still gentle enough to use on little ones. "This bug spray is ...