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Oil-in-water emulsion composition

An emulsified composition, oil-in-water type technology, applied in cosmetics, cosmetic preparations, coatings, etc., can solve the problems of difficult oily particle shape or particle size adjustment, poor dispersion and aggregation of oily particles, and achieve uniformity excellent effect

Pending Publication Date: 2019-12-27
SHISEIDO CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] However, even if it is the same solid oil as behenyl alcohol or candelilla wax, it may not be able to form oily particles with a uniform shape or particle size depending on its type, or the formed oily particles may have poor dispersibility and cause In the case of aggregation, the stability of oil particles may be affected by the polarity of the liquid oil compounded in the inner layer, etc.
In addition, although improvements such as Patent Document 2 are being made, it is also difficult to adjust the shape and particle diameter of the formed oily particles to be uniform.

Method used

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Examples

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Embodiment

[0062] The present invention will be described in further detail below by way of Examples, but the present invention is not limited by these Examples. Unless otherwise specified, the compounding amount is represented by mass % with respect to the total amount of the composition in which the component is compounded.

[0063] An oil-in-water emulsified composition was prepared according to the formulations shown in the following Tables 1 to 3 and according to the method described in the third paragraph of the previous page. The following items (1) and (2) were evaluated based on the following criteria for the emulsified composition of each example.

[0064] (1) Formability of oily particles

[0065] The particle diameter and shape of the oily particles contained in the prepared emulsion composition were observed with a microscope, and the average particle diameter was calculated.

[0066] Evaluation benchmark:

[0067] A+: The particles are well formed, the average particle d...

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Abstract

In the present invention, it is possible to prepare a stable oil-in-water emulsion composition even when using a solid oil component, with which large oily particles exceeding 50 [mu]m in size have been difficult to form in the past, and improve the uniformity of the particle size and shape of the oily particles. An oil-in-water emulsion composition in which oily particles containing a solid oil component, a liquid oil component, and a powder are dispersed in an aqueous phase, the oil-in-water emulsion composition being characterized in that the average particle size of the oily particles is 50 [mu]m to 10 mm and the powder is inside the oily particles, and a cosmetic based on the composition.

Description

technical field [0001] The present invention relates to an oil-in-water emulsion composition. More specifically, it relates to an oil-in-water emulsified composition which is an oil-in-water emulsified composition having relatively large oily particles that can be seen, and contains powder in the oily particles, causing the oily particles to The shape and particle size uniformity were significantly improved. Background technique [0002] There is known an oil-in-water emulsion composition in which large oily particles having an average particle diameter of 50 μm to 10 mm are dispersed in a water phase. Since the oil-in-water emulsion composition containing large oily particles is dispersed with oily particles of a size that can be seen, it is not only visually novel and beautiful, but also has a moist and refreshing touch when applied to the skin, and after a certain period of time. Afterwards, it is possible to obtain a feeling of use that has never existed before, such a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/92A61K8/06A61K8/81A61Q19/00
CPCA61Q19/00A61K8/062A61K8/31A61K8/922A61K8/8147A61K8/8152A61Q19/02A61K2800/413A61K2800/412A61K2800/65A61K2800/62A61K8/81
Inventor 伊部绚子高桥繁郎
Owner SHISEIDO CO LTD
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