A multistage colored polymer particle is provided, having a core comprising polymerized units of a monoethylenically unsaturated carboxylic acid core monomer and a non‑ionic ethylenically unsaturated core monomer； an inner shell comprising polymerized units of a non‑ionic ethylenically unsaturated inner shell monomer； a monoethylenically unsaturated carboxylic acid inner shell monomer； optionally, an aliphatic inner shell monomer； and, optionally, a first polymerizable dye monomer； an outer shell comprising polymerized units of a non‑ionic ethylenically unsaturated outer shell monomer； a monoethylenically unsaturated non-carboxylic acid outer shell monomer； optionally, a second polymerizable dye monomer； and, optionally, an aliphatic outer shell monomer； wherein the core, when dry, contains at least one void； and wherein the multistage colored polymer particle comprises polymerized units of polymerizable dye monomer. Skin care formulations comprising multistage colored polymer particles and methods of using same are also provided.提供一種具有以下之多級著色聚合物粒子：核芯，其包括單烯系不飽和羧酸核芯單體及非離子烯系不飽和核芯單體之聚合單元；內殼，其包括以下之聚合單元：非離子烯系不飽和內殼單體、單烯系不飽和羧酸內殼單體、視情況選用之脂族內殼單體及視情況選用之第一可聚合染料單體；外殼，其包括以下之聚合單元：非離子烯系不飽和外殼單體、單烯系不飽和非羧酸外殼單體、視情況選用之第二可聚合染料單體及視情況選用之脂族外殼單體；其中所述核芯在乾燥時含有至少一個空隙；且其中所述多級著色聚合物粒子包括可聚合染料單體之聚合單元。亦提供包括多級著色聚合物粒子之護膚調配物及其使用方法。
