(NBC NEWS) — A recent report from the Centers for Disease Control and Prevention finds that tick and mosquito-borne diseases have risen sharply since 2004.
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That makes a good insect repellent more important than ever if you spend time outdoors.
Consumer Reports has tested 33 products and says the best contain three key ingredients: DEET, picaridin, and oil of lemon eucalyptus.
They also say it doesn’t matter if you use sprays, wipes or lotions. It’s the concentration of active ingredients that's most important.
Repellents should have either 15 to 30 percent DEET, 20 percent picaridin or 30-percent oil of lemon eucalyptus.
“Unlike sunscreen, you don’t have to reapply insect repellent. Just put it on in the morning, go about your business outside, and then at the end of the day, you can wash it off,” says Consumer Reports’ Trisha Calvo.