| abstract |
An oral composition comprising: (a) a carrier composition comprising at least a first reactive component selected from acids, flavors, peroxides, fluorides, water, aldehydes and glycerin; and (b) an active composition comprising at least one active dental bleaching component encapsulated in a coating, wherein said at least one active component comprises a peroxide, said coating comprising: (i) a hydrophilic material selected from gum arabic, starch, gelatin, alginates, alkyl and hydroxycellulose, carrageenan, microcrystalline cellulose, gum agar, hydroxyethylcellulose, poly (acrylic acid), polyethylene glycol, polyvinyl alcohol, polyvinyl pyrrolidone, modified starch, xanthan gum, ceine, polyols and guar gum; and (ii) at least a second reactive component selected from buffers, silicas and reducing agents, wherein an interaction of the first and second reactive components retains the activity and / or availability of the active composition. |