TOOTH WHITENING ORAL CARE PRODUCT

摘要

A tooth whitening composition containing film flakes of a hydroxyalkyl methyl cellulose and a pigment in combination with an orally acceptable carrier vehicle.

主权项

1. A tooth whitening oral care composition comprising:
(i) flakes of a water whitening film comprising
(a) a film forming polymer comprising hydroxyalkyl cellulose wherein the hydroxyalkyl cellulose has a viscosity of about 1 to less than about 1000 millipascal seconds (mPa·s) as determined as a 2% by weight aqueous solution of the polymer at 20° C. using a Ubbelohde tube viscometer; and(b) a pigment having a blue to blue-violet color with a hue angle in the CIELAB system ranging from 220 to 320 degrees, wherein the flakes have a dissolution rate of about 30 seconds or less, and (ii) an orally acceptable carrier vehicle.