DEET Insect Repellent
Skin-applied mosquito and tick repellent.
How this score is built
- 100Start
- 86.2Chemical hazard 3 × 4.6−13.8
- 76Everyday exposure 3 × 3.4−10.2
- 71Persistence 2 × 2.6−5.2, then rounded to 71
- LowThe band71 sits in 60–79.
What each input rests on
| Input | Rating | Evidence |
|---|---|---|
| Chemical hazard | 3/10 | unsourced input |
| Everyday exposure | 3/10 |
|
| Persistence | 2/10 | unsourced input |
Ratings are editorial. A study listed here supports the rating; it did not compute it. How the index is built
What this means for you
DEET is registered and effective at preventing insect-borne disease, and that protection often outweighs the exposure. To reduce contact, use the lowest effective concentration and wash it off once indoors.
Evidence strength: moderate
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