Described herein are powder coated films comprising a polymer matrix designed for use in a toothpaste to indicate a color change during brushing, dentifrice compositions comprising the films, and methods of making and using the same.本發明係關於粉末塗覆之薄膜,其包含設計於牙膏中使用以於刷牙過程中指示顏色變化之聚合物基質,包含該薄膜之潔牙劑組成物,及其製造及使用之方法。