Solid powdery cosmetic and method for manufacturing solid powdery cosmetic
A solid powder cosmetic formulation with spherical calcium carbonate and optional additives, manufactured via a wet process, addresses the issues of smoothness and impact resistance, delivering a matte finish and improved usability.
WO2026116134A1PCT designated stage Publication Date: 2026-06-04SHISEIDO CO LTD
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- SHISEIDO CO LTD
- Filing Date
- 2025-11-14
- Publication Date
- 2026-06-04
AI Technical Summary
Technical Problem
Existing solid powder cosmetics, particularly those with high calcium carbonate content, face challenges in achieving a smooth application feel and adequate impact resistance, often resulting in cracking and poor usability.
Method used
Formulating solid powder cosmetics with spherical calcium carbonate powder at a specific content rate, optionally combined with swelling clay minerals, extender pigments, and oils, using a wet manufacturing process to create a slurry and removing the liquid medium, resulting in a matte finish with improved smoothness and impact resistance.
Benefits of technology
The formulation provides a matte finish with a smooth and silky application feel while offering enhanced impact resistance, making it more durable and user-friendly.
✦ Generated by Eureka AI based on patent content.
Smart Images
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Abstract
[Problem] To provide a solid powdery cosmetic having a matte finish, capable of providing a dry and smooth feel when applied, and having good impact resistance, and a method for manufacturing the same. [Solution] A solid powdery cosmetic comprising a powder material, wherein the powder material comprises (A) spherical calcium carbonate powder, and the content of component (A) is 55-95 mass% with respect to the total amount of the solid powdery cosmetic.
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