Teeth whitening compositions and methods

Abstract

Disclosed herein are teeth whitening compositions generally including an oxidizing agent (e.g., a peroxide), and an activating agent that has an emission wavelength between about 400 nm and about 570 nm (e.g., Eosin B). Methods of employing these compositions to whiten teeth, methods of making these compositions and kits that include some or part of the composition ingredients, are also described.

1 . A composition comprising:
 an oxidizing agent; and   an activating agent having an emission wavelength between about 400 nm and 570 nm, wherein the activating agent comprises Erythrosine B.   
     
     
         2 . The composition of  claim 1 , wherein the activating agent capable of emitting green light, blue light or blue-green light, and/or absorbs green light, blue light or blue-green light. 
     
     
         3 . The composition of  claim 1 , wherein the activating agent further comprises Eosin B. 
     
     
         4 . The composition according to  claim 1 , wherein the composition comprises a stabilizing agent. 
     
     
         5 . The composition according to  claim 4 , wherein the stabilizing agent is sodium acetate. 
     
     
         6 . The composition according to  claim 1 , wherein the composition comprises a thickening agent. 
     
     
         7 . The composition according  claim 6 , wherein thickening agent is silicon dioxide and/or fumed silica having a particle size less than one micron. 
     
     
         8 . The composition according to  claim 1 , wherein the composition comprises a hydrophilic gelling agent. 
     
     
         9 . The composition according to  claim 1 , wherein the composition comprises an accelerator agent. 
     
     
         10 . The composition according to  claim 9 , wherein the accelerator agent includes sodium perborate. 
     
     
         11 . The composition according to  claim 1 , wherein the pH of the composition is between about 8 and about 10. 
     
     
         12 .- 20 . (canceled) 
     
     
         21 . The composition according to  claim 1 , wherein the oxidizing agent is present in the composition in an amount ranging from about 1% to about 70%. 
     
     
         22 . The composition according to  claim 1 , wherein the Erythrosine B is present in the composition in an amount ranging from about 0.005% and about 0.15%. 
     
     
         23 . The composition according to  claim 3 , wherein the Eosin B is present in the composition in an amount that is less than about 12%. 
     
     
         24 . The composition according to  claim 1 , further comprising a carbomer.