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Foaming dentifrice with desensitizing agents

A technology of thickener and surfactant, applied in the field of treating or preventing dental hypersensitivity, dentifrice compositions, and oral care compositions for treating or preventing dental hypersensitivity, and can solve the problems of difficulty in achieving foam level and the like

Inactive Publication Date: 2018-02-06
COLGATE PALMOLIVE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, it was difficult to achieve foam levels beyond a certain volume when the test was performed in a solution simulating the composition of human saliva, also due to the defoaming properties of human saliva

Method used

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  • Foaming dentifrice with desensitizing agents
  • Foaming dentifrice with desensitizing agents
  • Foaming dentifrice with desensitizing agents

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0080] Embodiment 1: Toothpaste A

[0081] Example 1 illustrates a moderately abrasive oral composition comprising 2.18% by weight of SLS, 1.25% by weight of 30% CAPB in water (0.38% by weight of CAPB) and 0.4% by weight of the oral care composition % xanthan gum in foam system A.

[0082]

[0083]

[0084] Table 1 Composition of Toothpaste A

[0085] The graph below illustrates the dramatic difference in foam volume within the first minute of application to artificial saliva. This table compares toothpaste A with foam system A with a comparative composition A which has the same components as toothpaste A but with the following difference: the comparative composition A does not contain foam system A (SLS+CAPB) Foam system consisting of 3.90 wt% water / SLS slurry 29% (1.13 wt% SLS; balance of difference is additional water).

[0086]

[0087]

[0088] Table 2 Foam volume data of toothpaste A in artificial saliva with and without foam system A

Embodiment 2

[0089] Embodiment 2: Toothpaste B

[0090] Example 2 illustrates a more abrasive oral composition comprising 2.18% by weight of SLS, 1.25% by weight of 30% CAPB in water (0.38% by weight of CAPB) and 0.65 Foam system B with weight % xanthan gum.

[0091]

Toothpaste B

glycerin

26.00

Water, flavoring, sweetening, coloring

17.20

Sorbitol 70% solution

17.26

polyethylene glycol 600

3.00

potassium nitrate

5.00

sodium fluoride

0.32

Sodium CMC

0.50

Silica - Abrasive

8.00

Silica - Thickener

3.00

High cleaning power silica

10.00

Cocamidopropyl Betaine 30% in water

1.25

Water / SLS slurry 29%

7.52

xanthan gum

0.65

50% KOH

0.30

total composition

100.000000

[0092] Table 3 Composition of Toothpaste B

[0093] The graph below illustrates the significantly more foam obtained with foam system A according to the inven...

Embodiment 3

[0098] Embodiment 3: Toothpaste C

[0099] Example 3 illustrates a moderately abrasive oral composition comprising 2.18% by weight of SLS, 1.25% by weight of 30% CAPB in water (0.38% by weight of CAPB), 0.65% by weight, based on the total weight of the oral care composition % xanthan gum, 2.44% by weight tetrasodium pyrophosphate and 2.00% by weight zinc citrate foam system C.

[0100]

[0101]

[0102] Table 5 Composition of Toothpaste C

[0103] The graph below illustrates the significantly more foam obtained with foam system C according to the invention, especially within the consumer-relevant first 60 seconds of application to artificial saliva. This table compares Toothpaste C with Foam System C with Comparative Composition C which has the same components as Toothpaste C with the following difference: The Comparative Composition C does not contain Foam System C but contains 4.91% by weight of water Foam system consisting of / SLS slurry 29% (1.42% by weight SLS; ba...

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Abstract

The present invention relates to an oral care composition having an anionic surfactant, a cationic or amphoteric surfactant, and a potassium salt, wherein the oral care composition does not include anon-ionic surfactant.

Description

Background technique [0001] Dentin hypersensitivity (ie, hypersensitivity) is a painful condition caused by external stimuli such as pressure and temperature that move fluid in exposed dentine tubules. [0002] Toothpastes for sensitive teeth often contain nitrates. However, this ingredient is notoriously antifoaming, making it difficult to achieve sensory foam properties that are more acceptable to consumers. In many parts of the world, consumers prefer high foaming toothpaste over products with poor foaming ability. Conventional levels of surfactants generally produce acceptable lather volumes when tested in pure water. However, when the test was performed in a solution simulating the composition of human saliva, it was difficult to achieve foam levels beyond a certain volume, also due to the defoaming properties of human saliva. [0003] Accordingly, there is a need for oral care composition formulations that maintain excellent foaming properties in human saliva when for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/24A61K8/44A61K8/46A61Q11/00A61K8/19
CPCA61K8/19A61K8/24A61K8/442A61K8/463A61Q11/00A61K2800/28A61K2800/48A61K2800/596A61K8/046A61K8/25A61K8/27A61K8/44A61K8/46
Inventor 蒂洛·波特汉斯彼得·沃尔夫乔舒阿·施米德罗伯特·丹布罗焦
Owner COLGATE PALMOLIVE CO
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