Unit-Dose Oral Care Compositions
Unit-dose oral care composition comprising a fibrous composition and/or an open cell foam with a low level of inorganic salts. Oral care compositions that dissolve quickly upon initial contact with water. Oral care compositions which leave a low amount of residue on surfaces upon use. Methods of use of unit-dose oral care compositions.
1 . A unit-dose oral care composition having a Total Dissolution Time per dose of less than about 1000 seconds.
2 . The unit-dose oral care composition of claim 1 , wherein the Total Dissolution Time per dose is determined by the Dissolution Time Method.
3 . The unit-dose oral care composition of claim 2 , wherein the Dissolution Time Method comprises:
(a) providing 50 mL of distilled water in a container,
(b) stirring the distilled water at from about 400 rpm to about 600 rpm while maintaining a water temperature of 37° C.,
(c) placing a dose of dentifrice in the distilled water in the container, and
(d) measuring a time for the complete dissolution of the dose of dentifrice.
4 . The unit-dose oral care composition of claim 1 , wherein the unit-dose oral care composition has a Total Dissolution Time per dose of less than about 500 seconds.
5 . The unit-dose oral care composition of claim 1 , wherein the unit-dose oral care composition has a Total Dissolution Time per dose of less than about 250 seconds.
6 . The unit-dose oral care composition of claim 1 , wherein the oral care composition comprises a fibrous composition comprising one or more nonwoven web layers.
7 . The unit-dose oral care composition of claim 1 , wherein the unit-dose oral care composition comprises a nonfibrous composition.
8 . The unit-dose oral care composition of claim 7 , wherein the fibrous composition comprises one or more nonwoven web layers.
9 . The unit-dose oral care composition of claim 8 , wherein at least a portion of the nonfibrous composition is in contact with a surface of the one or more one nonwoven web layers.
10 . The unit-dose oral care composition of claim 8 , wherein the one or more nonwoven web layers comprises one or more web forming materials.
11 . The unit-dose oral care composition of claim 10 , wherein the one or more web forming materials comprises a polymer and a sugar alcohol.
12 . The unit-dose oral care composition of claim 11 , wherein the one or more web forming materials comprises polyvinyl alcohol and xylitol.
13 . The unit-dose oral care composition of claim 1 , wherein the unit-dose oral care composition comprises a fluoride ion source.
14 . The unit-dose oral care composition of claim 1 , wherein unit-dose oral care composition further comprises an abrasive.
15 . The unit-dose oral care composition of claim 14 , wherein the abrasive is a calcium-containing abrasive, a silica abrasive, a carbonate abrasive, a phosphate abrasive, an alumina abrasive, or combinations thereof.
16 . The unit-dose oral care composition of claim 1 , wherein the oral care composition has a Total Dissolution Time of from about 50 seconds to about 500 seconds.
17 . The unit-dose oral care composition of claim 1 , wherein the unit-dose oral care composition has a mean void volume of from about 15% to about 75%.
18 . The unit-dose oral care composition of claim 1 , wherein the unit-dose oral care composition has a surface area of at least about 150 mm-1.
19 . The unit-dose oral care composition of claim 1 , wherein the oral care composition comprises less than about 1% of a pyrophosphate.
20 . The unit-dose oral care composition of claim 19 , wherein the oral care composition has a Total Dissolution Time of less than about 50 seconds.
20 . The unit-dose oral care composition of claim 19 , wherein the unit-dose oral care composition has a mean void volume of at least about 75%.
21 . The unit-dose oral care composition of claim 19 , wherein the unit-dose oral care composition has a surface area of from 50 mm −1 to about 150 mm −1 .
22 . A unit-dose oral care composition comprising a solid soluble foam composition, the solid soluble foam composition comprising:
(a) one or more surfactants;
(b) a polymer;
(c) a fluoride ion source; and
(d) a plasticizer,
wherein the solid soluble foam composition comprises less than about 1% of a polyphosphate.
23 . The unit-dose oral care composition of claim 22 , wherein the oral care composition has a Total Dissolution Time of less than about 50 seconds.
24 . The unit-dose oral care composition of claim 22 , wherein the unit-dose oral care composition has a mean void volume of at least about 75%.
25 . The unit-dose oral care composition of claim 22 , wherein the unit-dose oral care composition has a surface area of from 50 mm −1 to about 150 mm −1 .
26 . The unit-dose oral care composition of claim 22 , wherein the polyphosphate comprises a pyrophosphate.
27 . A unit-dose oral care composition comprising at least one nonwoven web, the nonwoven web comprising:
from about 1% to about 80%, by weight of the oral are composition, of one or more web forming materials, and
at least one of:
(a) an abrasive,
(b) a fluoride ion source,
(c) one or more surfactants, or
(d) a metal ion source;
wherein the oral care composition has a Total Dissolution Time per dose of less than about 1000 seconds.
28 . A low-residue oral care composition comprising:
(a) one or more surfactants; and
(b) a plasticizer,
wherein the oral care composition has a mean grayscale value of less than about 25.