Abstract: Oral care compositions and, e.g., oral care compositions providing improved stain resistance are disclosed herein. In accordance with an aspect, provided is an oral care composition including a whitening agent comprising from about 0.1 to about 10 wt. % of a peroxide; a cross-linked polyacrylic acid and/or a salt thereof; a polyol; and water in an amount up to 10 wt. %, wherein all weight percentages are based on the total weight of the oral care composition.

Abstract: Oral care compositions; and specifically, oral care compositions providing enhanced stain resistance are disclosed herein. In accordance with an aspect of the invention, provided is an oral care composition including a thickening system comprising a cross-linked polyacrylic acid and/or a salt thereof, and one or more thickening agent selected from a polysaccharide, a thickening silica, and a combination of two or more thereof; a polyol; and from about 5 to about 64 wt. % of water, wherein all weight percentages are based on the total weight of the oral care composition.

Abstract: An oral care composition having a soluble zinc polyphosphate complex made by combining ingredients including an inorganic zinc salt, and a plurality of long chain polyphosphates having 6 or more phosphate polymer units, the relative amount of inorganic zinc salt and long chain polyphosphates providing a phosphorus to zinc mole ratio of at least 6:1. Further provided is a method of treating a subject suffering from dentinal sensitivity applying the oral care composition to the teeth and gums of the subject.

Abstract: A soluble zinc polyphosphate complex made by combining ingredients which include an inorganic zinc salt and a plurality of long chain polyphosphates having 6 or more phosphate polymer units, the relative amount of inorganic zinc salt and long chain polyphosphates providing a phosphorus to zinc mole ratio of at least 6:1. Further provided is a method of making this soluble zinc polyphosphate.

Abstract: Aspects of the invention are directed to oral care compositions having enhanced peroxide stability. In accordance with some aspects, provided is an oral care composition having a polyol; a whitening agent comprising a peroxide; a thickening agent; and an abrasive system comprising insoluble phosphate salts, wherein the oral care composition contains less than about 5 wt. % of water, and all weight percentages are based on the total weight of the oral care composition.

Abstract: A soluble zinc polyphosphate complex made by combining ingredients which include an inorganic zinc salt and a plurality of long chain polyphosphates having 6 or more phosphate polymer units, the relative amount of inorganic zinc salt and long chain polyphosphates providing a phosphorus to zinc mole ratio of at least 6:1. Further provided is a method of making this soluble zinc polyphosphate.

Abstract: Described herein are oral care compositions comprising: from about 35 wt. % to about 85 wt. % of an anhydrous solvent system (e.g., 35 wt. % to about 75 wt. %); from about 0.02 wt. % to about 30 wt. % of a peroxide solution comprising: from about 0.01 wt. % to about 15 wt. % of hydrogen peroxide, and from about 0.01 wt. % to about 15 wt. % of water; from about 1 wt. % to about 20 wt. % of a thickening system; wherein the oral care composition has a total water content of less than about 30 wt. %; and wherein all weight percentages are based on the total weight of the oral care composition. Methods of making and using these compositions are also described herein.

Abstract: Solid oral care compositions and methods for the same are disclosed. The oral care composition may include an orally acceptable vehicle and one or more whitening agents. The oral care composition may be a toothpaste in the form of a solid film. The one or more whitening agents may include at least one of a source of hydrogen peroxide, a non-peroxide bleaching agent, or a combination thereof. The method for preparing the oral care composition may include contacting the orally acceptable vehicle, the one or more whitening agents, and water with one another to prepare a slurry, and preparing the solid film with the slurry.

Abstract: An oral care composition having a soluble zinc polyphosphate complex made by combining ingredients including a zinc salt, a plurality of long chain polyphosphates having 6 or more phosphate polymer units, and a solvent, the relative amount of organic zinc salt and long chain polyphosphates provides a phosphorus to zinc mole ratio of at least 6:1. Further provided is a method of treating a subject suffering from dentinal sensitivity applying the oral care composition to the teeth and gums of the subject.

Abstract: Described herein are aqueous abrasive oral care compositions comprising (a) 1-10 wt.% hydrogen peroxide, (b) 5-20 wt.% of calcium pyrophosphate abrasive, (c) 35-75 wt.% propylene glycol, (d) 5-20 wt.% polyvinylpyrrolidone, (e) 1-20 wt.% of a random polyethylene glycol/polypropylene glycol random copolymer. Methods of making and using these compositions are also described herein.

Abstract: Described herein are oral care compositions comprising: from about 35 wt. % to about 85 wt. % of an anhydrous solvent system (e.g., 35 wt. % to about 75 wt. %); from about 0.02 wt. % to about 30 wt. % of a peroxide solution comprising: from about 0.01 wt. % to about 15 wt. % of hydrogen peroxide, and from about 0.01 wt. % to about 15 wt. % of water; from about 1 wt. % to about 20 wt. % of a thickening system; wherein the oral care composition has a total water content of less than about 30 wt. %; and wherein all weight percentages are based on the total weight of the oral care composition. Methods of making and using these compositions are also described herein.

Abstract: A soluble zinc polyphosphate complex made by combining ingredients which include an organic zinc salt and a plurality of long chain polyphosphates having 6 or more phosphate polymer units, the organic zinc salt and long chain polyphosphates being mixed in amounts that provide a phosphorus to zinc mole ratio of 15:1 to about 55:1. Further provided is a method of making this soluble zinc polyphosphate.

Abstract: An oral care composition comprising a surfactant having formula [R(OC2H4)xOSO3]2M wherein R is a saturated or unsaturated alkyl group with an alkyl chain length of 8 to 30 carbon atoms; x is from 0 to 10; and M is a divalent metal cation selected from zinc cations, copper cations and stannous cations is provided.

Abstract: Disclosed herein are dentifrices comprising a zinc-amino acid complex together with a thickening system comprising a non-ionic thickening agent, which have a pH greater than 8.0. Methods of using the dentifrices are also provided.

Abstract: Disclosed herein are dentifrices comprising a zinc amino acid complex together with soluble phosphate salts. Methods of making and using the dentifrices are also provided.

Abstract: Provided herein is a method for determining the bioavailability of a metal ion in a composition comprising a source of the metal ion, wherein the metal ion has antimicrobial activity, and wherein the method comprises: a) incubating a sample of the composition with bacterial cells, and b) determining the viability of the bacterial cells after incubation. The method is useful for determining the effect of agents on the bioavailability of metal ions in a composition.

Abstract: Disclosed herein are oral care compositions comprising a zinc amino acid halide complex, and a humectant system comprising polyethylene glycol and propylene glycol as structuring humectants, which compositions have improved rheological stability. Methods of making and using the compositions are also provided.

Abstract: Described herein are oral compositions comprising a film, wherein the film comprises a dye entrapped in a silica sol-gel.

Abstract: A soluble zinc polyphosphate complex made by combining ingredients which include an organic zinc salt and a plurality of long chain polyphosphates having 6 or more phosphate polymer units, the organic zinc salt and long chain polyphosphates being mixed in amounts that provide a phosphorus to zinc mole ratio of 15:1 to about 55:1. Further provided is a method of making this soluble zinc polyphosphate.

Abstract: A soluble zinc polyphosphate complex made by combining ingredients which include an organic zinc salt and a plurality of long chain polyphosphates having 6 or more phosphate polymer units, the organic zinc salt and long chain polyphosphates being mixed in amounts that provide a phosphorus to zinc mole ratio of 15:1 to about 55:1. Further provided is a method of making this soluble zinc polyphosphate.