In Myeongdong: Daiso Myeongdong Main Store (43 Myeongdong-gil), 10am–10pm, has the RGIII Red Ginseng Scalp Scaler (100ml) at ₩5,000, rated 4.8 with 13,517 orders. Olive Young Myeongdong Town (53 Myeongdong-gil, 1F–2F) is on the same street, 10am–10:30pm. The 80ml essence and 100ml tonic are fine for carry-on, and you can hit both stores on one street.