Olive Young Hongdae Town (57 Hongik-ro 6-gil), Hongik Univ. Station Store (156 Yanghwa-ro) and Hongdae AREX Station Store (183 Yanghwa-ro) are all open until 11 pm, so you can shop after a night out. Another plumper comes in 7 shades with 1,199 reviews (4.8).