How should I care for a lacquered saya to preserve its finish?
Updated Mar 2026
Traditional urushi lacquer and modern lacquer finishes both benefit from similar care practices. Avoid prolonged exposure to direct sunlight, which causes color fading and surface micro-cracking over time. Humidity is the more serious concern — wood expands and contracts with moisture changes, which can cause chips or lifting at the lacquer seams near the koiguchi (mouth) and kurikata (cord knob). Store the saya in a climate-controlled environment, ideally between 40–60% relative humidity. When handling, use clean cotton gloves to prevent fingerprint oils from etching the lacquer surface. Minor surface dust can be removed with a soft, dry microfiber cloth using light strokes. Avoid any liquid cleaners unless specifically formulated for lacquerwork, as solvents will strip the finish.