COLOR STABLE PEROXIDE CONTAINING DENTIFRICE FORMULATIONS WITH DYE ENCAPSULATED SILICA SHELL NANOPARTICLES

摘要

A COMPOSITION FOR MINIMIZING COLOR FADING OF AN ORAL CARE COMPOSITION IS PROVIDED.THE COMPOSITION COMPRISES: A) AN ORGANIC DYE-ENCAPSULATED SILICA SHELL NANOPARTICLE MATRIX, B) A PHYSIOLOGICALLY STABLE FLUORIDE ION PROVIDING COMPOUND IN AN AMOUNT OF ABOUT 0.1% TO ABOUT 1% BY WEIGHT, C) A PEROXIDE SPECIES PROVIDING COMPOUND IN AN AMOUNT OF ABOUT 1% TO ABOUT 20% BY WEIGHT. THE ENCAPSULATED SILICA SHELL DYE NANOPARTICLE STABILIZES THE COLOR AGAINST DEGRADATION IN THE PRESENCE OF PEROXIDE AND FLUORIDE IONS.