Emulsified cosmetics

By using zinc oxide with a specific particle size, spherical silica, and solid fatty acid esters, the cosmetic composition addresses uneven application and shine issues, resulting in a smooth, dry feel and long-lasting makeup.

JP7883872B2Active Publication Date: 2026-07-02KAO CORP
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Patent Information

Application Number
JP2022050011
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Filing Date
2022-03-25
Publication Date
2026-07-02
Estimated Expiration
2042-03-25

AI Technical Summary

Technical Problem

Emulsified cosmetics containing fine zinc oxide particles often feel rough on the skin during application, are prone to uneven application, and have an unpleasant texture with shiny and short-lasting makeup.

Method used

The use of zinc oxide with a specific particle size, spherical silica, and solid fatty acid esters in a specific ratio creates an emulsified cosmetic that can be applied evenly, feels smooth and dry, and maintains high makeup coverage without shine over time.

Benefits of technology

The cosmetic composition achieves smooth and even application, provides high makeup coverage, and minimizes shine, ensuring excellent cosmetic durability.

✦ Generated by Eureka AI based on patent content.

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Abstract

To provide emulsion cosmetics that can be applied to the skin uniformly without unevenness during its application, give a smooth finish to the skin, offer high makeup coverage, and resist noticeable shininess over time.SOLUTION: Emulsion cosmetics contain following components (A), (B), (C) and (D): (A) zinc oxide with a volume average particle size of 0.1-1 μm, (B) spherical silica, (C) nonionic surfactant, and (D) 0.3-10 mass% of fatty acid ester that is solid at 25°C.SELECTED DRAWING: None
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Citation Information

Patent Citations

  • Cosmetic

    JP1999079966A

  • Water-in-oil type emulsion cosmetic

    JP2015120662A

  • Composition

    JP2021161042A

  • Cosmetic

    WO2019188842A1