PROBLEM TO BE SOLVED: To provide a hair dyestuff composition without requiring shampooing directly after the use, and also excellent in accumulated hair-dyeability, water resistance, stability, usability (tangling well with a brush body) and applicability, and a hair dyestuff applicator by using the same.SOLUTION: This hair dyestuff composition is characterized by containing 0.1 to 3.0 wt.% at least 1 kind of an aqueous acidic dyestuff, a resin of a ternary polymer polymerized from a monomer of a specific vinyl cyclic amide, a specific acrylic acid derivative monomer and a specific quaternized derivative of acrylic acid, having 0.1 to 3.0 wt.% content of the resin by its solid part amount, containing 0.05 to 1.0 wt.% content of cationized cellulose by its solid part amount, 1 to 25 wt.% hair dyeing assistant, 20 to 60 wt.% lower alcohol and 30 to 60 wt.% water, and having pH of 2.5 to 4.COPYRIGHT: (C)2010,JPO&INPIT【課題】使用直後の洗髪が不要であり、かつ累積染毛性、耐水性、安定性、使用性(ブラシ体に良く絡む)及び塗布性に優れる染毛料組成物及びそれを用いた染毛料組成物塗布具の提供。【解決手段】水性酸性染料の少なくとも1種0.1~3.0重量%と、特定のビニル環状アミドのモノマー、特定のアクリル酸誘導体のモノマー及び特定のアクリル酸の四級化誘導体のモノマーから重合された三元重合体である樹脂を含有し、その樹脂の含有量が、固形分量で0.1~3.0重量%と、カチオン化セルロースを含有し、そのカチオン化セルロースの含有量が、固形分量で0.05~1.0重量%と、染毛助剤1~25重量%と、低級アルコール20~60重量%と、水30~60重量%とを含有し、pHが2.5~4であることを特徴とする染毛料組成物。【選択図】なし
