Water-in-oil emulsion sunscreen cosmetic

A technology of water-in-oil type and cosmetics, which is applied in the direction of cosmetics, cosmetic preparations, dressing preparations, etc., which can solve the problems of poor cosmetic retention and achieve excellent use feeling, non-sticky use feeling, and excellent stability. Effect

Inactive Publication Date: 2014-01-08
SHISEIDO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This invention achieves high SPF by blending a specific amount of pigment extender and / or silicone resin powder and higher alcohol, so it is necessary to blend pigment extender and / or silicone resin powder and higher alcohol. Oil-in-type emulsified cosmetics, so compared with water-in-oil emulsified sunscreen cosmetics, it has the disadvantage of poor cosmetic retention

Method used

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  • Water-in-oil emulsion sunscreen cosmetic
  • Water-in-oil emulsion sunscreen cosmetic
  • Water-in-oil emulsion sunscreen cosmetic

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0062] The following examples are given to illustrate the present invention more specifically, but the present invention is not limited thereto. It should be noted that unless otherwise specified, the compounded amount represents mass % relative to the total amount.

[0063] Using the formulations shown in "Table 1" and "Table 2", water-in-oil type emulsified sunscreen cosmetics (emulsion sunscreen cosmetics) were produced by conventional methods, and the feeling of use, improvement of UV protection effect, and stability were evaluated by the following methods sex.

[0064] "Usage feeling: non-greasy degree"

[0065] The actual use test (applying the sunscreen cosmetics of Examples and Comparative Examples to the upper arms) by 10 special panelists was used to evaluate the degree of non-greasy.

[0066]

[0067] ⊚: 7 or more out of 10 people answered that they did not feel greasy.

[0068] ◯: 5 or more and less than 7 out of 10 answered that they did not feel greasy.

[...

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PUM

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Abstract

The present invention provides a water-in-oil emulsified sunscreen cosmetic characteristically comprising the following (a) through (g) : (a) Ultraviolet absorbent (b) Silicone backbone powder (c) Methyl polymethacrylate powder (d) Hydrophobicized platelike powder (e) Surfactant (f) Oil component (g) Water The object of the present invention is to provide a water-in-oil emulsified sunscreen cosmetic that manifests a superior texture during use, a high ultraviolet protection effect, and superior stability.

Description

technical field [0001] The present invention relates to water-in-oil emulsified sunscreen cosmetics. More specifically, it relates to a water-in-oil type emulsified sunscreen cosmetic having excellent usability, a high ultraviolet protection effect, and excellent stability by blending a specific powder. Background technique [0002] Patent Document 1 discloses a water-in-oil type emulsified sunscreen cosmetic having an ultraviolet protection promotion effect. However, in this invention, it is necessary to mix a water-soluble polymer in order to enhance the effect of promoting ultraviolet protection. [0003] Patent Documents 2 to 5 disclose water-based compositions or oil-in-water emulsified composition cosmetics that can improve SPF in sunscreen cosmetics containing water-soluble ultraviolet absorbers while maintaining a supple feel and excellent usability. . However, since it is an invention to increase the SPF of phenylbenzimidazolesulfonic acid as a water-soluble ultr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/81A61K8/06A61K8/35A61K8/37A61K8/40A61K8/49A61K8/891A61K8/895A61Q17/04
CPCA61K8/8152A61Q17/04A61K8/895A61K2800/612A61K8/894A61K8/0254A61K8/064A61K8/06A61K8/35A61K8/37A61K8/49A61K8/81A61K8/891
Inventor 池边洋介阿部公司
Owner SHISEIDO CO LTD
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