Compositions and methods are disclosed for preventing or reducing loss of color from color-treated keratin fibers by forming a water-resistant coating on hair comprise a combination of a hydrophobic particulate material comprising a hydrophobically surface-modified oxide and one or more hydrophobic film formers in a cosmetically acceptable vehicle.本發明揭示用於藉由在毛髮上形成耐水性塗層來防止或減少經色彩處理之角蛋白纖維之色彩喪失的組合物及方法，該等組合物包含存於化妝品上可接受之媒劑中之疏水性微粒材料與一或多種疏水性成膜劑之組合，該疏水性微粒材料包含表面經疏水性改質之氧化物。
