PROBLEM TO BE SOLVED: To provide a hairdressing composition, which is capable of bringing hair together while having good finger styling and is excellent in formability and sustainability of hair style by applying heat.SOLUTION: According to the present invention, a hairdressing composition comprises: a lactone derivative (A) in an amount of 0.005 to 0.25 mass%, represented by the formula (I) (in the formula, n is 1 or 2 and R is a linear or branched, saturated or unsaturated hydrocarbon group having 9 to 22 carbon atoms)； a high-polymerized dimethicone (B) in an amount of 2 to 15 mass%, having a viscosity of 3.5 to 33 million cps at 25°C； a vegetable oil (C) in an amount of 0.01 to 10% by mass； and a volatile oil (D) in an amount of 45 mass% or more.SELECTED DRAWING: None【課題】良好な指通りを有しつつ、髪をまとめることができ、さらに、熱を加えることで、ヘアスタイルの形成力および持続力に優れる整髪用組成物を提供すること。【解決手段】 式（Ｉ）（式中、ｎは１または２であり、Ｒは炭素数９～２２の直鎖または分岐鎖の飽和または不飽和炭化水素基を表わす。）で表されるラクトン誘導体（Ａ）を０．００５～０．２５質量％と、２５℃での粘度が３５０万～３，３００万ｃｐｓである高重合ジメチコン（Ｂ）を２～１５質量％と、植物油（Ｃ）を０．０１～１０質量％と、揮発性油（Ｄ）を４５質量％以上とを含む整髪用組成物。【選択図】なし
