> TL;DR: Choose insect repellent for travel by the insects and health risks at your destination, not by fragrance or packaging alone.
> For reliable bite prevention, use a proven active ingredient, apply it correctly and pair it with clothing and accommodation precautions.
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> A sunset meal by the sea, a rainforest walk or an open hotel window can all turn a holiday into a battle with bites. The right insect repellent for travel is a small part of your packing, but it can make a meaningful difference to comfort and health. Mosquitoes, ticks, sandflies and midges vary by destination, season and activity. Your repellent should reflect that reality.
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> For everyday comfort, the best choice is usually one you will apply thoroughly and reapply as directed. A formula that feels unpleasant, overly sticky or too strongly scented often gets left in the bag. Confident protection works best when it becomes an easy part of your leaving-the-room routine, alongside sun protection, water and hand hygiene.
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> ## What insect repellent should I take abroad?
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> Start with your destination rather than the aisle at the shop. For city breaks where bites are mainly an irritation, a convenient personal repellent may be enough. For trips involving hiking, camping, humid climates, countryside stays or destinations where mosquito-borne illness is a concern, choose a product with an active ingredient recognised for repelling biting insects.
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> The UK Health Security Agency's TravelHealthPro advises travellers to avoid insect bites because insects can transmit infections in some parts of the world. The Centers for Disease Control and Prevention (CDC) similarly advises choosing an Environmental Protection Agency-registered repellent for protection against mosquitoes, ticks and other biting insects.
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> Look for the active ingredient and the label instructions, rather than relying on words such as “natural” or “tropical strength”. Common evidence-backed options include DEET, picaridin, IR3535 and oil of lemon eucalyptus or PMD. Each can suit different preferences, destinations and family routines.
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> DEET has a long history of use and is widely available in different concentrations. Picaridin is often valued for a lighter skin feel and mild odour. IR3535 is another established option found in certain sprays and lotions. Oil of lemon eucalyptus products containing PMD can be effective, but they are not the same as lemon eucalyptus essential oil. The CDC specifically distinguishes registered oil of lemon eucalyptus or PMD products from pure essential oil formulations.
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> The duration of protection depends on the active ingredient, its concentration, heat, sweating, swimming and how much skin is exposed. There is no single “best” percentage for every traveller. A weekend in a cool European city and a long, humid trek have different demands. Follow the label for the product’s stated protection time and reapplication guidance.
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> ## Is DEET the only effective choice for travel?
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> No. DEET remains a well-known option, particularly for higher-exposure travel, but it is not the only effective active ingredient. The practical decision is about destination risk, tolerability, age suitability and whether the product fits your itinerary.
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> A traveller who dislikes the feel or smell of a repellent may apply too little or skip it entirely. In that situation, a suitably labelled picaridin or IR3535 product may be the more useful choice because it is easier to wear consistently. Conversely, where a travel health professional recommends a particular level of protection, follow that advice and choose accordingly.
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> Be careful with broad claims around botanical repellents. A pleasant fragrance does not prove reliable protection, and essential oils do not automatically offer the same performance as tested repellent products. If mosquito-borne disease is possible at your destination, a registered repellent with clear directions is the more reassuring choice.
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> ## How do I apply insect repellent properly?
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> Coverage matters as much as the bottle you buy. Apply repellent to exposed skin only, following the quantity and directions on the label. Missed areas around ankles, wrists, the back of the neck and the edge of clothing are common invitation points for bites.
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> If you are using sunscreen, the CDC advises applying sunscreen first and repellent second. Allow sunscreen to settle, then apply the repellent evenly. Do not use combination sunscreen-and-repellent products as your main strategy, because sunscreen generally needs more frequent reapplication than repellent.
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> Avoid spraying directly onto the face. Spray into your hands first, then apply carefully, keeping away from eyes, lips, cuts and irritated skin. Wash hands after application, especially before eating or handling contact lenses. At the end of the day, wash treated skin with soap and water when practical.
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> A compact spray can be useful for quick top-ups before an evening walk, while lotions may give you greater control over where the product goes. Wipes can be useful for hand luggage or targeted application, but check that they contain an appropriate active ingredient and do not assume every wipe has the same level of protection.
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> ## Do I need repellent if I am staying in a hotel?
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> Often, yes. Air conditioning, window screens and well-maintained accommodation can reduce exposure, but they do not guarantee a bite-free stay. Mosquitoes may be present in hotel gardens, pool areas, outdoor dining spaces, lobbies with open doors and on the walk back to your room.
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> Protection is particularly worth considering in the early morning and evening, although some mosquitoes bite during the day. The UK Health Security Agency notes that different insects bite at different times, so do not limit precautions to night-time unless destination-specific guidance says otherwise.
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> Where insects are a health concern, use a layered approach. Wear loose, long-sleeved clothing and long trousers when conditions allow. Keep doors and windows closed or screened, use air conditioning where available, and sleep under an insecticide-treated bed net if your accommodation does not provide effective screening. Repellent protects exposed skin; clothing and room measures reduce the opportunities for insects to reach it.
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> ## Can children use insect repellent when travelling?
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> Children need thoughtful protection because they may be outdoors at the times insects are most active and may not notice bites until later. Choose a product labelled for the child’s age, apply it yourself and use only enough to cover exposed skin. Avoid their hands, eyes and mouth, as young children are more likely to rub their face or put hands in their mouth.
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> The CDC advises not to use oil of lemon eucalyptus or PMD on children under three years old. For babies and young children, physical barriers are especially valuable: lightweight clothing, pram netting and screened sleeping areas can reduce exposure without relying solely on skin application.
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> Do not treat a child’s clothes with a skin repellent unless the label specifically says it is suitable for that use. If you are unsure about age, destination risk, pregnancy, eczema or an existing skin condition, ask a pharmacist, GP or travel health clinic before departure. A personalised recommendation is more useful than copying another family’s packing list.
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> ## Should I treat my clothes as well as my skin?
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> For countryside trips, trekking, camping and tick-prone areas, treated clothing can be a valuable second layer. Permethrin is used to treat clothing, footwear, bed nets and gear, but it must not be applied directly to skin. The CDC recommends using products as directed and allowing treated items to dry before wearing them.
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> Pre-treated garments can be convenient for frequent travellers, while spray-on clothing treatments may suit a one-off trip. Either way, check how long the treatment lasts and whether washing reduces its effectiveness. This approach is especially helpful when you want to minimise the amount of skin product used, though it does not replace repellent on exposed areas.
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> Choose pale-coloured clothing if practical, as it can make ticks easier to spot. After walks through long grass, woodland or scrub, check your body and clothing promptly. Removing a tick quickly and correctly matters, so include fine-tipped tweezers in a travel first-aid kit when heading into tick areas.
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> ## Will airport security allow insect repellent in hand luggage?
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> Usually, a travel-sized liquid, lotion or aerosol may be permitted in hand luggage if it meets the airport’s liquid rules, but policies differ by airport, airline and route. Aerosols can have additional restrictions, so check before packing rather than assuming your usual spray will be accepted.
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> For ease, keep repellent in its original labelled container and place it with your other liquids where required. If you need a larger bottle for a longer journey, put it in checked luggage only when the carrier allows it, or buy an appropriate product after arrival. Do not decant products into unlabelled bottles: clear instructions and ingredient information are useful when you need to reapply safely.
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> A well-chosen repellent is not about fearing every outdoor moment. It is about giving yourself and your family the freedom to enjoy a late dinner, a forest path or an unfamiliar destination with a calmer, more prepared routine.
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> Author: V-Stop Home Care
> Last updated: 10 September 2026