An extended wear cosmetic composition for application to a keratinous surface comprising a cosmetic particle coated with a biofunctional polymer wherein said coated particle adheres to the keratinous surface for an extended time period. A delivery system for conjugating a biofunctional polymer and cosmetic particle to specific cells on a keratinous surface such that the particle adheres to the keratinous surface for an extended time period.本發明係關於一種用於施加於角質表面之長效型化粧品組合物,其包含塗佈有生物功能性聚合物之化粧品顆粒,其中該經塗佈顆粒可長時間黏附於角質表面。本發明亦關於一種傳遞系統,其用於將生物功能性聚合物及化粧品顆粒結合於角質表面上之特異性細胞,以使得該顆粒可長時間黏附於角質表面。