Described herein are oral care compositions comprising (i) a whitening complex comprising crosslinked polyvinylpyrrolidone complexed with hydrogen peroxide, and (ii) a hydrogen peroxide stabilizing agent comprising a clay comprising a lithium magnesium silicate or a sodium magnesium silicate, or a combination thereof.本發明揭示口腔保健組成物,其包含(i)含有與過氧化氫複合之交聯聚乙烯基吡咯啶酮之美白複合物,及(ii)含有矽酸鎂鋰或矽酸鎂鈉或其組合物的黏土之過氧化氫穩定劑。