Yeast Cell Wall Composition for Wrinkle Repair and Skin Barrier

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing cosmetic compositions lack effective materials for improving skin wrinkles, retaining moisture, and providing a skin barrier while ensuring safety and natural origin.

Innovation Solution

A cosmetic composition containing a yeast cell wall, maintaining its shape, is used to improve skin wrinkles, retain moisture, and provide a skin barrier, with a particle size of 5 to 10 µm and a β-glucan content of 30% to 45% by weight.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If yeast cell wall is used as a cosmetic material, then skin wrinkle improving effect and moisture retention are achieved, but the complexity of material characterization and quality control increases due to maintaining cell wall shape

Engineering Contradiction:
Improveskin wrinkle improving effectVSAvoidmaterial characterization complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent specifies precise parameter ranges for the yeast cell wall composition: particle diameter of 5-10 μm and β-glucan content of 30-45% by weight. By controlling these parameters, the patent achieves reliable skin wrinkle improving effects while providing clear quality standards for manufacturing and inspection, thus resolving the contradiction between effectiveness and characterization complexity.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If yeast cell wall shape is maintained for skin barrier function, then occlusive property and moisture retention persistence are improved, but the manufacturing precision requirements increase

Engineering Contradiction:
Improveskin barrier functionVSAvoidparticle size control
Core Design Contradiction:
ReliabilityVSManufacturing precision

Solution Approach 1:

The patent defines a specific particle size range of 5-10 μm for the yeast cell wall composition. This parameter control balances the need for maintaining cell wall shape (for skin barrier function) with manufacturability, providing clear specifications that guide production while ensuring the occlusive property and moisture retention persistence are achieved.

Inventive Principle:
Principle #35Parameter changes

3Object-affected harmful factors

If food-grade yeast is used as the source, then safety and natural origin are ensured, but the variability in cell wall composition increases

Engineering Contradiction:
ImprovesafetyVSAvoidcell wall composition consistency
Core Design Contradiction:
Object-affected harmful factorsVSStability of the object's composition

Solution Approach 1:

The patent specifies a β-glucan content range of 30-45% by weight in the yeast cell wall composition. This parameter specification accommodates the natural variability of food-grade yeast while ensuring consistent safety and effectiveness. The range allows for composition variability inherent in natural sources while maintaining reliable skin care benefits.

Inventive Principle:
Principle #35Parameter changes

Applied Scientific Principles

This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.

Function Achieved in This Case

The yeast cell wall composition effectively improves skin wrinkles, enhances moisture retention, and provides a skin barrier, while being safe for use due to its natural origin from food-grade yeasts.

Implementation Method 1

an external composition for skin having sebum adsorption

Methodology Applied
Scientific EffectAdsorption: Adsorption

Implementation Method 2

an external composition for skin having moisture retention persistence and occlusive property

Methodology Applied
Scientific EffectOcclusion:

Data Source

PatentEP4710917A1Cosmetic composition using yeast cell wall
Publication Date: 2026.03.18 MITSUBISHI CORP LIFE SCI LTD
  • EP4710917A1 patent drawingFigure 1~2
  • EP4710917A1 patent drawingFigure 3~4
  • EP4710917A1 patent drawingFigure 5~6

AI summary

[Problem] To provide a material which utilizes a yeast-derived cell wall, has a skin wrinkle improving effect, and can be used as a feeling improver when applied to the skin. [Solution] As a result of intensive studies, the present inventors have found that, by using a yeast cell wall-containing composition having a yeast cell wall structure, a cosmetic composition having a skin wrinkle improving effect, a moisture retaining effect and a skin barrier effect can be provided, and that the cosmetic composition can also be used as a feeling improver. The present invention is completed based on these findings. Furthermore, yeast cell wall-containing composition according to the present invention can be extracted from yeast that has been used in foods. That is, the composition is derived from a microorganism capable of being used in foods, and therefore can be used safely.