Currency advantages, K-beauty fuel Chinese shopping trips, spending in Korea

When Chelsea Wang travelled to Seoul with two friends in late April, they barely visited any of the city’s palaces or tourist attractions. Instead, their three-and-a-half-day itinerary revolved around duty-free shopping, beauty treatments, hair salons and cosmetics stores. Wang arrived with a shopping list of her own: a backpack she estimated would cost at least 500 yuan ($70) less than in China, and a bottle of perfume at a similar discount. One of her friends, Wu, a 28-year-old white-collar...