Anua Birch 70% Moisture Boosting Serum 30ml replaces the standard water base with 70% birch sap — a mineral-rich botanical water packed with amino acids and antioxidants that hydrate the skin at a deeper level than regular serums. Lightweight, fast-absorbing, and barrier-strengthening, it suits dry, sensitive, and combination skin types. Currently priced at ৳2,200 at koreanshopbd.com. Buy online from koreanshopbd.com, COD available!