PROBLEM TO BE SOLVED: To provide a denture stabilizer which can be easily taken out of a tube container in spite of its keeping tackiness essential to denture stabilizers and which is highly transparent and aesthetically excellent.SOLUTION: A denture stabilizer characterized by comprising 5 to 18 wt.% of a cellulose derivative whose 2% aqueous solution exhibits viscosity of 20 to 1,500 mPa s or a salt thereof, 4 to 30 wt.% of a polyhydric alcohol, and water at a weight ratio of the cellulose derivative or salt thereof to the polyhydric alcohol of 1:0.5 to 1:2.0 (weight ratio) and by having a consistency of 25 to 38 mm and a tack of 450 gw or above.COPYRIGHT: (C)2009,JPO&INPIT【課題】義歯安定剤として必要な粘着性を保持しながらもチューブ状容器からの出しやすさに優れており、さらに高い透明性を有し審美性にも優れた義歯安定剤を提供すること。【解決手段】2%水溶液の粘度が20~1500mPa・sのセルロース誘導体又はその塩5~18重量%と、多価アルコール4~30重量%と、水とを含有し、且つ、前記セルロース誘導体又はその塩と前記多価アルコールの割合が1:0.5~1:2.0(重量比)であり、ちょう度が25mm~38mmであり、粘着力が450g重以上であることを特徴とする義歯安定剤。【選択図】なし