The present invention relates to organosilicon polymers containing benzoic acid esters in form of particles, process for their preparation, cosmetic or dermatological composition comprising them, as well as their use for protecting a human or animal living body from UV radiation.本發明係關於含呈粒子形式之苯甲酸酯之有機矽聚合物、其製備方法、包含其之化妝品或皮膚病學組成物以及其用於保護人類或動物活體免受UV輻射損傷之用途。