Compositions and methods are disclosed for imparting a long-wearing color to keratin fibers, including hair. More specifically, the invention relates to cosmetic compositions and methods for improving retention of particulate materials, such as pigments, on hair to artificially color the hair and/or to impart other aesthetic benefits to the hair. The compositions comprise at least one aminosilicone polymer having at least one diamino functional group, and a functional group equivalent weight (FGEW) from about 1,000 to about 2,000 g/mol and a non-spherical particulate material, preferably a pigment or a lake.本發明揭示用於賦予角蛋白纖維(包括毛髮)長期保持色彩的組合物及方法。更具體而言，本發明係關於用於改良微粒材料(諸如顏料)保留於毛髮上以人工染色毛髮及/或賦予毛髮其他美學益處之化妝品組合物及方法。該等組合物包含至少一種胺基聚矽氧聚合物，具有至少一個二胺基官能基且一個官能基當量重量(FGEW)為約1,000 g/mol至約2,000 g/mol，及非球形微粒材料，較佳為顏料或色澱(lake)。
