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Practical Tips in South Korea: what actually matters to know

Short answer
Seoul's summer is hot and humid, so wear breathable clothing and bring a light layer to manage strong indoor air conditioning and sun exposure. Carry cash as a backup for taxis since foreign cards are occasionally inconsistent, and plan extra luggage space for cost-effective shopping in beauty and retail stores.

From real experience

During summer, Seoul experiences hot and humid weather, often around 30°C.
Air conditioning in public transport (metro, KTX) and shopping malls can be quite strong, leading to significant temperature differences. Travelers are advised to wear light, breathable clothing (e.g., loose cotton pants, shorts, thin long-sleeve shirts for sun protection). It's recommended to carry a light jacket or long-sleeved top for cooler indoor environments or after rain. Sun protection is crucial; carry or purchase high-SPF sunscreen, and consider hats or umbrellas. Locals often use thin arm covers available in convenience stores (CU, 7/11) for sun protection.
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Payment via Kakao Taxi in Busan can sometimes be problematic with foreign cards like Wowpass.
While Kakao Taxi is a convenient service, it is advisable to have cash (approximately 100,000 KRW) as a backup payment method, as foreign card acceptance may be inconsistent. Locate nearby Wowpass ATMs in advance if relying on card payments.
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Cosmetics in South Korea are significantly cheaper than in Russia, with prices for items like cleansing oil being roughly half.
Travelers are advised to bring large suitcases or purchase new ones locally to accommodate shopping. Other items that are cost-effective include clothing, shoes, perfumes, and various goods from stores like Daiso and university campuses.
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Dress codes in South Korea are generally informal and liberal; tourists can wear open shoulders, mini-skirts, or casual clothes without judgment.
However, sun protection is advised due to strong UV rays, and light layers are recommended for indoor air conditioning.
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