Planning a summer trip to Japan? Get ready for an incredible experience, but be warned: Japanese summers are no joke! We’re talking intense heat, but more importantly, extreme humidity that can make even a short walk feel like an epic trek. Forget the dry heat you might be used to; here, the air is thick, sticky, and ever-present.
But don’t let that deter you! With a little preparation, you can still enjoy Japan’s vibrant summer festivals, stunning beaches, and delicious seasonal treats. The key is knowing how to beat the heat and humidity, and luckily, Japan’s ubiquitous drugstores are your best friends in this battle.
Your Drugstore Survival Kit: Must-Haves for Japan’s Summer Heat
Japanese drugstores are treasure troves of practical and innovative products designed to help you stay cool and comfortable. Here’s a list of highly recommended items to stock up on:
Cooling Wipes / Body Sheets (汗拭きシート / ボディシート – Ase Fuki Sheet / Body Sheet)


These are an absolute lifesaver! Individually packed or in resealable pouches, these moist wipes contain menthol or other cooling agents. A quick wipe down instantly refreshes your skin, removes sweat, and leaves you feeling invigorated. Keep a pack in your bag at all times.
Insect Repellent Spray / Mists (虫よけスプレー – Mushiyoke Spray)


Mosquitoes and other biting insects thrive in Japan’s humid summer. An insect repellent spray is essential, especially if you plan to visit parks, gardens, or rural areas. Many brands offer various levels of protection and types (aerosol, pump spray, or even wearable clips). Look for brands like Skin Vape. There are even limited versions with characters such as Hello Kitty and Pokemon!
Insect Bite Relief Cream / Liquid (虫刺され薬 – Mushi Sasare Kusuri)


Despite your best efforts with repellent, you might still get bitten. Japanese insect bite relief products are highly effective at stopping the itch and reducing swelling. They come in various forms: * Roll-on liquid: Easy to apply directly to the bite. * Cream/Ointment: For broader application. * Sticker patches: Great for kids as they prevent scratching and provide continuous relief. Many brands, like Muhi (ムヒ), offer specific children’s versions (ex: ムヒS, ムヒベビー) that are milder and gentler on sensitive skin. Always check the packaging for age recommendations.
Cooling Sprays / Mists (冷却スプレー / ボディミスト – Reikyaku Spray / Body Mist)
Just spray directly onto your clothes or skin (check labels for specific instructions). These provide an immediate cooling sensation, perfect for when you’re feeling overheated on the go. Some even have deodorant properties.
Deodorant Products (制汗剤 / デオドラント – Seikanzai / Deodorant)
With the high humidity, sweating is inevitable. Japanese deodorants come in various forms – roll-ons, sprays, and even unique “stick” types that apply like a balm. Look for ones with “Extra Dry” or “Long Lasting” claims.
Oral Rehydration Solution (経口補水液 – Keikou Hosui Eki)

If you’re feeling dizzy or genuinely unwell from the heat, these drinks are formulated to quickly replenish water and essential electrolytes lost through sweating. They’re more effective than just water for rehydration in extreme heat. Look for brands like OS-1. They don’t taste great when you are in good shape, but you will be relieved by drinking this when you are becoming dehydrated.
General Tips for Surviving Japanese Summer
- Hydrate, Hydrate, Hydrate: Drink plenty of water and rehydration drinks. Avoid excessive sugary drinks or alcohol.
- Dress Smart: Opt for lightweight, loose-fitting clothing made from breathable fabrics like cotton or linen. Light colors are best.
- Seek Shade: Stay in the shade whenever possible, especially during the hottest parts of the day (mid-morning to late afternoon).
- Utilize Air Conditioning: Don’t hesitate to pop into convenience stores, department stores, or train stations for a quick blast of AC.
- Pace Yourself: Don’t try to pack too much into one day. Take breaks and listen to your body.
Don’t let the heat intimidate you! With these drugstore essentials and smart strategies, you’ll be well-equipped to enjoy your Japanese summer adventure to the fullest. Have an amazing trip!
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