Prevention
Best EPA-Registered Tick Repellents: DEET, Picaridin, and OLE
Compare the most effective EPA-registered tick repellents (DEET, picaridin, and oil of lemon eucalyptus), including how to choose for kids and pets.
Updated · 7 min read
The EPA registers repellents proven to deter biting insects, including ticks. The three most common active ingredients each have strengths, trade-offs, and use cases. This guide is general education only. Check the product label and talk to your doctor or pediatrician for specifics.
DEET
- Long history of use, effective against ticks at 20–30% concentration.
- Lasts several hours; higher concentrations last longer but plateau in effectiveness.
- Can damage some plastics and synthetic fabrics.
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Picaridin
- Effective and odorless compared to DEET.
- Won't damage gear or fabrics.
- Often available as a 20% formulation.
Oil of Lemon Eucalyptus (OLE) / PMD
- Plant-derived option registered by the EPA.
- Not recommended for children under 3 (check label).
- Different from pure essential oils, which are not EPA-registered.
How to use repellents safely
- Apply to exposed skin and clothing, not under clothes.
- Avoid eyes, mouth, and cuts.
- For kids, spray on adult hands first, then apply.
- Always follow label instructions, including age restrictions.
Key takeaways
- Look for EPA-registered repellents. Labels list active ingredient and concentration.
- DEET, picaridin, and OLE/PMD all repel ticks; choose based on duration and personal preference.
- Pair skin repellent with permethrin-treated clothing for the strongest protection.
This article is here to help you learn. It is not medical advice. If you have symptoms or questions, see your doctor or an allergist. If you’re having a severe reaction, call 911. Read our sources and disclaimer.