Checking prices✔️ On Daisomall these items are ₩1,000, ₩2,000, ₩3,000 and

₩5,000. Myeongdong Main (43 Myeongdong-gil) and Myeongdong Station (134-1 Toegye-ro) both carry them, 10am–10pm. Medi-Peel Red Lacto Collagen mask is ₩1,000 with 15,550 orders, so look at that too.