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Aqueous liquid cosmetic and pen-type cosmetic

A cosmetic and liquid technology, applied in the field of water-based liquid cosmetic and pen-type cosmetic, can solve problems such as poor water resistance, and achieve the effects of sufficient water resistance and suppressing difference in shade and color.

Pending Publication Date: 2022-06-24
TOKIWA CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the other hand, water-based liquid cosmetics tend to have poor water resistance

Method used

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  • Aqueous liquid cosmetic and pen-type cosmetic
  • Aqueous liquid cosmetic and pen-type cosmetic
  • Aqueous liquid cosmetic and pen-type cosmetic

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1～9、 comparative example 1～7

[0084] Each component shown in Tables 1 to 4 was mixed at the ratio (mass %) shown in the same table with a disper, and aqueous liquid cosmetics were obtained, respectively. In addition, in the table|surface, the value of a polymer emulsion, an anionic dispersing agent, and a nonionic dispersing agent shows the compounding quantity of a solid content.

[0085] In addition, the following substances were used for each component shown in Tables 1-4.

[0086] Titanium Black-1: Titanium black (manufactured by Ako Chemicals Co., Ltd., product name "Tilack D TM-B-CSM", primary particle size: 0.2 to 0.4 μm)

[0087] Titanium Black-2: Titanium black (manufactured by Ako Chemicals Co., Ltd., product name "Tilack D TS-A-CSM", primary particle size: 0.03 to 0.1 μm)

[0088] Sodium polyaspartate: sodium polyaspartate (manufactured by Ajinomoto Co., Ltd., product name "アクアデュウSPA-30B", average molecular weight (Mw) 4000)

[0089] Sodium polyacrylate: sodium polyacrylate (manufactured by To...

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Abstract

Provided is an aqueous liquid cosmetic comprising (A) an inorganic coloring pigment, (B) an anionic dispersant, and (C) a film-forming polymer emulsion, the content of component (A) being 11-35% by mass based on the total amount of the cosmetic, the component (A) containing (A1) titanium black having a primary particle diameter of 0.15 [mu] m or more, and (A2) a pigment having a secondary particle diameter of 0.15 [mu] m or more. And (A2) at least one iron oxide selected from the group consisting of iron oxide red, iron oxide black, and iron oxide yellow, the content of component (B) being 8 parts by mass or less per 100 parts by mass of the total of component (A1) and component (A2).

Description

technical field [0001] The present invention relates to an aqueous liquid cosmetic and a pen-type cosmetic. Background technique [0002] As a product form of the liquid cosmetic, an automatic pen type cosmetic in which the cosmetic is discharged by the action of the surface tension of the liquid cosmetic and the capillary phenomenon is used. Among such cosmetics, water-based liquid cosmetics are generally used from the viewpoints of easy to obtain good discharge properties and fast drying speed after application. On the other hand, aqueous liquid cosmetics tend to have poor water resistance. Generally, in cosmetics such as eyeliner, water-insoluble film agents are used to improve water resistance. In the case of an aqueous liquid cosmetic, for example, in Japanese Patent Laid-Open No. 2003-073220, it is proposed that a compound selected from the group consisting of acrylic acid, alkyl acrylate, methacrylic acid, alkyl methacrylate, vinyl acetate and A liquid cosmetic of ...

Claims

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Application Information

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IPC IPC(8): A61K8/19A61K8/88A61K8/81A61K8/02A61Q1/10
CPCA61K8/19A61K8/88A61K8/8147A61K8/8152A61K8/02A61Q1/10A61K8/04A61K8/29A61K2800/43A61K2800/412A61K2800/5424A61K2800/872A45D34/042A45D40/20A61K2800/95
Inventor 荻野一纪
Owner TOKIWA CORP
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