Daiso Busan Station (191 Jungang-daero) is open 10am–10pm, handy before the KTX

or right after you arrive. For hands, Kleenex Ansim wet wipes, 20 sheets for ₩1,000 (18K orders). We didn't check stock at each Busan store. The KTX to Seoul takes 2–3 hours, so keep a pack in your bag.