In Myeongdong, Olive Young Myeongdong Town (53 Myeongdong-gil, 1F–2F) and
Central Myeongdong Town (M Plaza, 27 Myeongdong 8-gil, B1–3F) are open until 10:30pm. The No.5 glutathione C ampoule (30ml) has 8.9K+ reviews and comes with 6 pads. At 30ml it can go in your carry-on, just put it in a 1L clear bag. Recs: 3