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DEET-Free vs. Natural: Which Insect Repellent Should You Choose?
Healthy Options
Personal Care

Nothing ruins a fun time in the great outdoors like pesky bugs that won’t stop snacking on you. Whether you’re hanging out at the beach or communing with nature in the mountains, insects can put a damper on the experience by leaving you with nasty bites, persistent itchiness, or worse, a dreaded illness—mosquitoes, one of the main outdoor nuisances, are carriers of dengue and malaria, among other diseases.

Along with your water and your sunblock, it’s important to pack insect repellent in your bag when you head outside. But are all insect repellent sprays and lotions safe? Is DEET-free insect repellent the way to go? Read on to find out what the science says.

The Lowdown on DEET

Many people are wary of DEET (N,N-Diethyl-meta-toluamide), the active ingredient in plenty of insect repellents. Much of the concern is related to its supposed side effects, ranging from minor skin irritation to major concerns like damage to the nervous system, seizures, and even death. But it’s worth noting that credible organizations such as the U.S. Centers for Disease Control (CDC) and the Environmental Protection Agency (EPA) have declared that DEET products are generally safe when used as directed.

Consumer Reports, an independent, nonprofit organization that does rigorous research to inform purchase decisions, collated some of the pertinent facts about DEET:

  • It’s a true repellent, meaning it does not kill bugs but keeps them from landing on skin and clothing.
  • An EPA assessment found the incidence of DEET poisoning to be very low—seizures are estimated to occur in one out of 100 million uses--and mostly related to a misuse of DEET products (i.e., ingestion, or application on skin without adhering to label instructions), with most incidences of DEET poisoning being mild.
  • There is no strong evidence linking DEET to cancer and it has not been classified as a carcinogen.
  • Between the early 1980s and late 1990s, 14 cases of potentially DEET-related brain damage in children were reported, 13 in kids 8 years old and younger. Three died while the rest fully recovered. However, there was no strong link between DEET and the sickness. It’s a very small percentage when taken against the use of DEET in that time period but precautions should still be taken when using any chemical.
  • Research indicates that DEET is safe for use on pregnant women, with no effect on their offspring.

Given the concerns surrounding DEET, why use it in the first place? It’s because it has been found to be the most effective insect repellent in the market and the protection it provides from life-threatening bug-borne illnesses outweighs the supposed minimal risks (when used as directed). If you do choose to use an insect repellent with DEET, particularly on kids, make sure to take the following precautions:

  • As with most poisons, the harm comes in the dosage. So make sure to limit the concentration of DEET in the products you choose. A 30% concentration should provide hours of protection; anything higher than that isn’t necessarily more effective. Use a lower concentration for kids if their outside exposure will just be limited to two hours max.
  • Apply it only to exposed areas (not on areas covered by clothing). Do not apply on the face or near eyes, on damaged or irritated skin, or on hands, especially of young kids as they may rub their eyes or faces, or put their hands in their mouth.
  • Apply it only once a day. Thus, you shouldn’t be using a combination sunscreen and insect repellent with DEET as sunscreen needs to be reapplied while DEET should not.
  • When using an insect repellent spray, spray away from eyes and mouth, and spray in an open area to minimize inhalation.
  • Wash it all off and remove and wash clothing with DEET once indoors.
  • Do not apply on infants two months and younger.

DEET-Free Alternatives

If the medical literature and precautions still don’t put your mind at ease, then there are DEET-free insect repellents that you can use. The following have been registered with the EPA, which means that their safety and effectiveness have been verified:

Picardin. Consumer Reports describes picardin as a lab-bred synthetic molecule. It closely resembles a chemical found in black pepper plants. Choose one that has a concentration of at least 20%, which provides protection to rival DEET products. Anything lower may not be effective. A plus point: It’s a great insect repellent for kids as it’s safe to use on infants when applied as directed. (It’s prudent not to apply on infants two months and younger.)

Oil of Lemon Eucalyptus (OLE). Note that this extract from the gum eucalyptus tree is not the same is lemon eucalyptus oil, which is distilled from the lemon eucalyptus tree. The CDC states that OLE is effective at warding off bugs but that it should not be used on children younger than three years old. Consumer Reports also advises caution when applying as it can cause temporary eye injury.

What about botanicals? These natural products have not been registered with the EPA and typically contain plant-based ingredients like citronella, lemongrass, and soybean. You might be more comfortable with all-natural bug sprays but keep in mind that there hasn’t been any conclusive evidence to prove their efficacy.

You can also take other precautions to minimize exposure to bugs. Wear long-sleeved clothing and pants to cover up as much skin as possible. Cover strollers and baby carriers with mosquito netting to keep infants safe. When traveling, choose accommodations with air-conditioning or screens. And at home, clean up areas with stagnant water (canals, vases) to prevent mosquitoes from breeding.

 

Sources:

https://kidshealth.org/

https://www.molloy.edu/

https://www.consumerreports.org/

https://www.consumerreports.org/

https://www.npr.org/

Disclaimer: The information provided is for educational purposes only and does not constitute medical advice. Always seek the advice of your physician or qualified healthcare provider with any questions or concerns about your health. Check with your doctor before beginning any nutrition or exercise program. Never disregard or delay seeking medical advice because of something you have heard or read in this article or the internet.



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