Between spring and autumn, mosquitoes are ubiquitous in Japan. Even if the risk of serious diseases from bites remains very low, mosquitoes can easily ruin one night or disrupt your daily activities. Whether you’re on a short or long trip, knowing how to protect yourself from mosquitoes and relieve itching is essential. This article presents the best Japanese products for repelling mosquitoes, whether outdoors or at home, as well as treatments available to calm the bites.
Why protect yourself from mosquitoes in Japan
Mosquitoes in Japan calledka() are active from May to October, with a strong presence during the warmest and wettest months. Although Japan remains relatively immune from serious mosquito-borne diseases such as dengue and malaria, it is still possible to contract a benign form of Japanese encephalitis in rare cases. But the real concern for most travellers is the persistent, sometimes painful, itching caused by their bites.
Wet environments, forested areas or rice fields are places for their proliferation. In addition, Japanese homes, often equipped with open ventilation systems or sliding doors, allow insects to enter easily. That’s why it’s essential to equip yourself as soon as you arrive.
Japanese mosquito nets: amido
Even before chemicals are used, there is a traditional and passive solution:amidoor Japanese mosquito nets. These wired frames sit directly on windows or sliding doors. Widespread in Japanese houses and apartments, they effectively prevent mosquitoes from entering the interior.
However, their effectiveness depends largely on their cleanliness and maintenance. A cracked or torn net becomes useless. It is therefore important to clean the nets regularly, removing them and gently rubbing them with a soft sponge and soapy water.
The best mosquito repellents in Japan
There is a wide range of repellent products designed to repel or kill mosquitoes. These products are available in the majority of supermarkets,drugstores(pharmacies), and of course, online. Here are the most common and effective.
Osoto de No-Matto(

This small portable device works on a stack. It contains an integrated fan that diffuses a repellent agent within a fairly wide radius, making it perfect for outdoor use (terraces, parks, campsites). A cartridge can last up to 200 hours, about a month using 6 hours a day. Light, quiet and autonomous, it is perfect for active travellers.
Herb Mushiyoke

This repellent is a gel based on natural herbs, without any pesticides. It is not intended to be applied to the skin, but must be placed in a room. Once the protective film is removed and the lid is restored, it releases a slight grassy odour. It is effective for about 260 days. It is especially suitable for rooms, closed rooms or entrances to the house.
No-Mat(

This electrical device is one of the most popular in Japan. A bottle of repellent fluid is inserted into the apparatus, then plugged in. It works for about 60 days. Very simple use, it is ideal for domestic use, especially in the rooms.
Ka ga Inakunaru Spray(

This spray is designed for a medium sized piece (4-8 tatamis). One spray is sufficient for 12 hours of efficiency. It is recommended to use at the end of the day before going to bed or settling in a room.
Ka Tori Senko(

The famous Japanese mosquito snake. Just light up the tip of the cone or spiral, and insecticide smoke spreads slowly for several hours. This traditional product can be used both indoors (with caution) and outdoors. There are also modern smoke-free versions.
Mushiyoke Net(
It is a net or suspended housing containing a repellent plate. Resistant to rain and external conditions, it is perfect for balconies, entrances or poorly ventilated areas. It is advisable to hang it in a clearly visible area, out of reach of children.
Repellent sprays to apply to the skin
For those who want direct protection, such as hiking, visiting temples or walks in parks, the body sprays are very effective.
Saratect(

This dry powder spray protects against mosquitoes, but also against mites and flies. It is fragrance free and can be applied to bedding or clothing. It should not be used on the face or on damaged skin. It offers protection of about 10 hours.
Skin Vape(
With water and slightly fragrant with peach or apricot, this repellent can be used by children. It is soft for the skin while remaining effective. Like all sprays, it is recommended to apply it at a distance of 15 cm and avoid sensitive areas such as eyes and mouth.
Drugs for itching of stings
If you’re stuck with all your precautions, don’t panic: many local medicines help relieve itching quickly. These treatments are available without prescription in the majority ofdrugstoresJapanese.
Ekitai Muhi Alpha EX(

This liquid product acts quickly against itching, redness and inflammation. It is recommended for insect bites but also for mild rashes.
Muhi Alpha SII(
Cream version of the previous one, it is easier to apply on sensitive areas or large surfaces. It is also well tolerated by children.
Shin Una Kowa Cool
With an immediate cool effect, this medication quickly relieves itching while bringing a feeling of freshness welcome in summer. It is particularly appreciated during the warmest months.
Other insects to know in Japan
Mosquitoes are not the only pests of Japanese summer. You will probably meet cockroaches (gokiburi), flies, spiders orSemi(cicadas). Each type of insect can be treated with specific products available in stores. There are cockroach traps, insecticide bombs, insect nets and even multi-purpose sprays that can quickly treat localized infestation.
If you are planning an extended stay or if you live in an old dwelling or near a wooded area, it is advisable to equip yourself with prevention products upon arrival. You can also ask for advice indrugstores, where staff are often used to directing foreigners to the right products.
Use mosquito control products well
Before using a Japanese repellent or medicine, it is imperative to read the instructions carefully. Even if you do not read Japanese, pictograms and presentation often allow you to understand the function of the product. You can also use image translation applications to scan labels.
Be sure to follow the precautions for use, especially for children, pregnant women or people with allergies. Some products should not be applied to the skin, others should not be used in poorly ventilated rooms.
Finally, keep your products out of the reach of children and store them in a dry and cool place, sheltered from light.
In summer, Japan offers a thousand wonders to discover, but also a few minor inconveniences like mosquitoes. Fortunately, you can easily find effective solutions on site to prevent bites and relieve itching. By equipping yourself with the right repellents, storing your mosquito nets and using appropriate medications in case of injection, you will enjoy your days (and nights) without being disturbed. Whether you’re visiting or settled for longer, these simple tips will help you live the Japanese summer in complete serenity.
Si cet article vous a apporté des informations utiles et peut aider d’autres voyageurs à préparer leur séjour, un avis Google en cliquant sur l’image suivante sera toujours apprécié.
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