PROBLEM TO BE SOLVED: To provide polymer particles that improve the setting feeling and smoothness of the hair by attaching themselves on the hair, and a method for producing the polymer particles.SOLUTION: A polymer particle comprises a specific nonionic unsaturated monomer-derived constitutional unit A, and a specific bipolar unsaturated monomer-derived constitutional unit B. There is also provided a method for producing polymer particles.SELECTED DRAWING: None【課題】重合体粒子が毛髪に付着することで、毛髪のまとまり感及び滑らかさが向上する、重合体粒子及び重合体粒子の製造方法を提供する。【解決手段】特定の非イオン性不飽和単量体由来の構成単位A、及び特定の双極性不飽和単量体由来の構成単位Bを含む、重合体粒子、及び重合体粒子の製造方法。【選択図】なし