# Longsleeve

> Longsleeve is an EPA-registered insect repellent lotion (EPA Reg. No. 101457-1): 20% picaridin, 5% squalane, 5% glycerin, fragrance-free, nine disclosed ingredients. Repels mosquitoes and ticks for up to 14 hours. Made by Hour 72, Inc., a small New York company with no outside investors. Currently in launch/waitlist mode.

## Key pages

- [Home](https://longsleeve.com/): what Longsleeve is and the full ingredient label
- [Product](https://longsleeve.com/product): the tube, pricing, FAQ with sourced answers on duration, kids, pregnancy, and Lyme disease
- [The science](https://longsleeve.com/science): how picaridin works, the registered efficacy claim, and what affects protection time
- [The almanac](https://longsleeve.com/facts): a sourced field guide to mosquitoes, ticks, the diseases they carry, and how repellent actives compare (CDC/EPA/WHO citations listed on-page)
- [Ingredients](https://longsleeve.com/ingredients): every ingredient in the formula, what it does, and why it is there
- [About](https://longsleeve.com/about): the founder story and the road to EPA registration
- [What every tube funds](https://longsleeve.com/gives): the giving program, the arithmetic behind "300 protected nights per tube" with sources, and the Tick Test Fund

## The Journal (sourced field notes)

- [Aedes aegypti Mosquito: Identification, Bites, Range, and Disease](https://longsleeve.com/blog/aedes-aegypti): How to identify Aedes aegypti, where it lives, when it bites, which diseases CDC links to infected Aedes mosquitoes, and how container control reduces risk.
- [Alpha-Gal Syndrome: Tick Bite, Red Meat Allergy, Symptoms, and Diagnosis](https://longsleeve.com/blog/alpha-gal-syndrome): What alpha-gal syndrome is, how CDC describes its link to tick bites, delayed red meat allergy symptoms, diagnosis, management, and when to talk to a clinician.
- [Asian Tiger Mosquito: Identification, Day Biting, Range, and Control](https://longsleeve.com/blog/asian-tiger-mosquito): How to identify Aedes albopictus, why Asian tiger mosquitoes bite during the day, where they spread in the U.S., what diseases CDC links to Aedes mosquitoes, and how to reduce breeding sites.
- [Black Fly Bites: Swelling, Bleeding, Treatment, and Prevention](https://longsleeve.com/blog/black-fly-bites): Why black fly bites swell, bleed, and heal slowly, what CDC bite care says to do, when infected-bite signs matter, and how hats, clothing, repellent, and head nets help.
- [Black Fly Repellent: DEET, Picaridin, Clothing, and Timing](https://longsleeve.com/blog/black-fly-repellent): How to choose black fly repellent for buffalo gnat season using Illinois DPH and EPA guidance, including DEET, picaridin, hats, light-colored clothing, and head nets.
- [Do Bug Zappers Work on Mosquitoes? What Field Studies Found](https://longsleeve.com/blog/bug-zappers): What field studies found about bug zappers and mosquitoes, why ultraviolet light catches mostly non-target insects, and how EPA device rules differ from repellent registration.
- [Chigger Bites: Treatment, Itch, Myths, and Prevention](https://longsleeve.com/blog/chigger-bites): What chigger bites are, why they itch for days, why chiggers do not burrow into skin, how CDC bite care helps, and how repellent, clothing, and showering reduce exposure.
- [Chigger Repellent: DEET, Picaridin, Labels, and Showering](https://longsleeve.com/blog/chigger-repellent): How to choose chigger repellent using Illinois DPH, NPIC, and EPA guidance: DEET, picaridin, label claims, exposed skin, clothing, and the post-grass shower.
- [Do Citronella Candles Work? Evidence on Plant-Based Repellents](https://longsleeve.com/blog/citronella-and-plant-repellents): Do citronella candles work against mosquitoes? What field trials, lab studies, CDC guidance, and EPA registration rules say about citronella, plant oils, OLE, PMD, and wearables.
- [DEET Safety: EPA Reviews, CDC Guidance, Kids, and Common Questions](https://longsleeve.com/blog/deet-safety-evidence): What EPA, CDC, NPIC, AAP, and poison-center data say about DEET safety, children, concentration, seizure reports, pregnancy, sunscreen, and material damage.
- [Dengue and Travel: Day-Biting Mosquitoes, Warning Signs, and Prevention](https://longsleeve.com/blog/dengue-travel): CDC-sourced dengue travel guide: where risk is concentrated, why Aedes mosquitoes bite during the day, what severe dengue warning signs mean, and what to pack.
- [Ehrlichiosis: Symptoms, Lone Star Tick Link, Treatment, and Prevention](https://longsleeve.com/blog/ehrlichiosis): CDC-sourced guide to ehrlichiosis symptoms, which ticks carry Ehrlichia bacteria, where cases occur, why early treatment matters, and how to reduce tick bites.
- [Gnat Repellent: Biting Midges, Labels, Screens, and Fans](https://longsleeve.com/blog/gnat-repellent): How to choose gnat repellent when the biting gnats are midges: CDC label terms, DEET and picaridin guidance, EPA label rules, 20x20 mesh screens, and fans.
- [How Long Does Picaridin Last? Skin, Clothes, and Shelf Life](https://longsleeve.com/blog/how-long-does-picaridin-last): How long picaridin lasts by product and form, including EPA-listed lotion, cream, spray, and wipe times, what shortens protection, and what sources say about storage.
- [Insect Repellent for Hiking: Ticks, Mosquitoes, Permethrin, and Skin Repellent](https://longsleeve.com/blog/insect-repellent-for-hiking): A hiking bite-protection checklist using CDC, EPA, and NPIC guidance: permethrin-treated gear, EPA-registered skin repellent, trail habits, reapplication, and post-hike checks.
- [Lone Star Tick: Identification, Range, Bites, and Alpha-Gal Link](https://longsleeve.com/blog/lone-star-tick): How to identify the lone star tick, where it lives in the U.S., how it bites, which CDC-listed diseases are linked to it, and its association with alpha-gal syndrome.
- [Lyme Disease Prevention: Tick Checks, Repellent, Permethrin, and Removal](https://longsleeve.com/blog/lyme-disease-prevention): CDC-sourced Lyme disease prevention steps: avoid tick habitat, use EPA-registered repellent, treat clothing with permethrin, check for ticks, and remove attached ticks promptly.
- [Malaria Prevention for Travelers: CDC Yellow Book Checklist](https://longsleeve.com/blog/malaria-prevention-travelers): CDC Yellow Book guidance for travelers: malaria risk by destination, chemoprophylaxis, night-biting Anopheles mosquitoes, nets, screens, repellent, and fever after travel.
- [Mosquito Bite Treatment: Itch Relief, Swelling, Infection Signs, and When to Seek Care](https://longsleeve.com/blog/mosquito-bite-treatment): CDC mosquito bite treatment steps: wash, ice for 10 minutes, use anti-itch or antihistamine cream as directed, avoid scratching, and watch for infection signs.
- [Mosquito Repellent for Kids: CDC and AAP Age Rules](https://longsleeve.com/blog/mosquito-repellent-for-kids): CDC and AAP guidance for mosquito repellent for kids, including babies under 2 months, oil of lemon eucalyptus under age 3, DEET, picaridin, and safe application.
- [Mosquito Repellent and Pregnancy: CDC Guidance on EPA-Registered Products](https://longsleeve.com/blog/mosquito-repellent-pregnancy): What CDC and EPA say about mosquito repellent during pregnancy and breastfeeding, including EPA-registered repellents, active ingredients, label directions, and travel risk.
- [When Is Mosquito Season? Region, Temperature, Rain, and West Nile Timing](https://longsleeve.com/blog/mosquito-season-by-region): Mosquito season by U.S. region, temperature, rainfall, and disease timing, with health-department guidance on when activity starts, peaks, and ends.
- [Natural Bug Repellents: EPA Registration, Plant Oils, OLE, PMD, and Evidence](https://longsleeve.com/blog/natural-repellents): What natural bug repellents can and cannot claim, including EPA registration, minimum-risk exemption, plant oils, oil of lemon eucalyptus, PMD, citronella, and study evidence.
- [No-See-Um Bites: Treatment, Itch, Screens, and Repellent](https://longsleeve.com/blog/no-see-um-bites): How to identify and treat no-see-um bites from biting midges, why they itch in clusters, when to seek care, and how screens, fans, clothing, and labeled repellent help.
- [No-See-Um Repellent: Check the Label for Biting Midges](https://longsleeve.com/blog/no-see-um-repellent): How to choose no-see-um repellent by label, including CDC guidance for EPA-registered products labeled for flies, biting flies, or Culicoides, plus screens and fans.
- [No-See-Ums: What They Are and What Repels Them](https://longsleeve.com/blog/no-see-ums): What no-see-ums are, why biting midges get through screens, when they bite, what their bites mean, and how to choose an EPA-registered repellent labeled for them.
- [Permethrin-Treated Clothing: Ticks, Mosquitoes, Washing, and Skin Rules](https://longsleeve.com/blog/permethrin-clothing): How permethrin-treated clothing works, why permethrin never goes on skin, how long treated clothing lasts, and what CDC, EPA, and NPIC say about washing and handling.
- [Permethrin and Picaridin: The Two-Layer Tick and Mosquito System](https://longsleeve.com/blog/permethrin-picaridin-system): How CDC and EPA guidance pair permethrin-treated clothing with EPA-registered skin repellent, including what each layer covers and why permethrin never goes on skin.
- [Picaridin vs DEET: Duration, Kids, Ticks, and Materials](https://longsleeve.com/blog/picaridin-vs-deet): Picaridin vs DEET from EPA, CDC, AAP, NPIC, and field studies: how they work, how long they last, child guidance, tick use, odor, and material compatibility.
- [Sand Flea Bites: Midges, Sand Flies, True Fleas, and Treatment](https://longsleeve.com/blog/sand-flea-bites): What people call sand flea bites at the beach are often biting midges or sand flies. How to tell them apart, when tropical tungiasis matters, and how CDC bite care helps.
- [Standing Water and Mosquitoes: Weekly Yard Checklist](https://longsleeve.com/blog/standing-water-mosquito-control): A CDC and EPA sourced checklist for standing water and mosquitoes: what to empty, scrub, cover, or treat each week around buckets, saucers, gutters, toys, pools, and drains.
- [Tick Identification Guide: Species, Pictures, Regions, and Risks](https://longsleeve.com/blog/tick-identification): How to identify common U.S. ticks by mouthparts, scutum, color pattern, life stage, region, and CDC-linked disease risks.
- [How to Remove a Tick: Tweezers, Timing, and What Not to Do](https://longsleeve.com/blog/tick-removal): CDC tick removal steps: use fine-tipped tweezers, pull steadily, avoid heat, nail polish, and petroleum jelly, clean the bite, and watch for fever or rash.
- [When Is Tick Season? Months, Nymphs, Adults, and Regions](https://longsleeve.com/blog/tick-season-when): When tick season starts and peaks in the U.S., including CDC guidance on April through September activity, spring nymphs, fall adults, winter risk, and regional differences.
- [Do Ultrasonic Mosquito Repellers Work? Cochrane Review and FTC History](https://longsleeve.com/blog/ultrasonic-repellers): What controlled trials, a Cochrane review, EPA device rules, and FTC enforcement history say about ultrasonic mosquito repellers and electronic mosquito repellents.
- [Vector-Borne Disease in the U.S.: CDC Case Counts, Ticks, and Mosquitoes](https://longsleeve.com/blog/vector-borne-disease-numbers): CDC case-count data for U.S. vector-borne disease from 2001 to 2023, including ticks, mosquitoes, Lyme disease, reporting limits, and regional concentration.
- [West Nile Virus in the U.S.: Culex Mosquitoes, Symptoms, Season, and Prevention](https://longsleeve.com/blog/west-nile-virus): How West Nile virus spreads through Culex mosquitoes and birds, who is at higher risk, what CDC says about symptoms, seasonality, and bite prevention.
- [Why Mosquitoes Bite Some People More: CO2, Odor, Heat, Color](https://longsleeve.com/blog/why-mosquitoes-bite-some-people): Why mosquitoes bite some people more than others, based on studies of carbon dioxide, skin odor chemistry, heat, clothing color, pregnancy, beer, and blood type claims.

Every claim on these pages is sourced to the CDC, EPA, WHO, state health departments, or peer-reviewed research, with the full source list at the bottom of each page.

## Facts

- Active: picaridin 20%
- Protection: up to 14 hours against mosquitoes and ticks; up to 8 hours against biting flies, black flies, gnats, chiggers, sand flies, and no-see-ums (registered claim)
- [No See Um Repellent](https://longsleeve.com/blog/no-see-um-repellent): how to choose a repellent whose federal label lists no-see-ums (Culicoides), per CDC and EPA guidance
- [No See Um Bites](https://longsleeve.com/blog/no-see-um-bites): what biting midge bites look like, CDC treatment steps, and when to see a doctor
- [Chigger Bites](https://longsleeve.com/blog/chigger-bites): what chiggers are (larval mites), why the bites itch for days, treatment per CDC and Illinois DPH
- [Chigger Repellent](https://longsleeve.com/blog/chigger-repellent): choosing a chigger repellent per public health guidance; 77 of 631 registered products state a chigger claim
- [Gnat Repellent](https://longsleeve.com/blog/gnat-repellent): what biting gnats are and how to pick a repellent whose label covers them
- [Black Fly Bites](https://longsleeve.com/blog/black-fly-bites): black fly (buffalo gnat) bites: swelling, bleeding, treatment and prevention per Illinois DPH and CDC
- [Black Fly Repellent](https://longsleeve.com/blog/black-fly-repellent): the buffalo gnat season playbook: actives, clothing, head nets, label reading
- [Sand Flea Bites](https://longsleeve.com/blog/sand-flea-bites): the three creatures called sand fleas, how to tell them apart, per CDC and state health guidance
- [Mosquito Repellent Pregnancy](https://longsleeve.com/blog/mosquito-repellent-pregnancy): CDC guidance on EPA-registered repellents for pregnant and breastfeeding women
- EPA Reg. No. 101457-1
- Fragrance-free lotion, 100 mL, nine ingredients, all disclosed
- Contact: drew@longsleeve.com

## Full text

- [llms-full.txt](https://longsleeve.com/llms-full.txt): complete plain-text content of every page above, single file

## Markdown twins

Every page above is also served as clean Markdown at the same path with a .md extension,
for example https://longsleeve.com/blog/picaridin-vs-deet.md and https://longsleeve.com/facts.md.
Each file carries the title, the description, a Source: URL, and the full body with tables intact.

## The Repellent Index

Every skin-applied insect repellent in EPA's consumer database (631 products, 9 actives,
manufacturer-submitted protection times), mirrored with a fetch date and full methodology:
https://longsleeve.com/repellent-index (HTML, full table is static markup)
- [Repellent statistics](https://longsleeve.com/repellent-index/statistics): original computed statistics on all 631 EPA-registered skin repellents, with downloadable JSON/CSV dataset
https://longsleeve.com/repellent-index.md (Markdown)
https://longsleeve.com/repellent-index.json (JSON)
https://longsleeve.com/repellent-index.csv (CSV)
Cite as: The Repellent Index, longsleeve.com/repellent-index, data from EPA.

## Product comparisons

138 standalone comparison pages, each showing an EPA-registered product beside Longsleeve Repellent using EPA's database and both federal labels:
https://longsleeve.com/repellent-index/<product-slug> (HTML) and .md (Markdown twin)
The full list is linked from https://longsleeve.com/repellent-index