Oil-Based Cosmetic Adherence via Composite Gelling

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Solution Overview

Problem

Existing oil-based eyelash cosmetics with silicone-modified polysaccharides and polyether-modified silicones lack sufficient viscosity and adherence, leading to unnatural finishes and inadequate long-lash effects, especially when not formulated with fibers.

Innovation Solution

An oil-based cosmetic preparation comprising a silicone-modified polysaccharide compound, a silicone emulsifier, an organic-modified clay mineral, a carbonate ester, and a wax, which provides excellent adherence and a natural-looking finish with a long-lash effect without the need for fibers.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If waxes such as beeswax are included in eyelash cosmetics to impart adherence and volume, then adherence and volume are improved, but sufficient viscosity is not obtained with existing oil-based gelling agents

Engineering Contradiction:

ImproveadherenceVSAvoidviscosity

Core Design Contradiction:

StrengthVSStability of the object's composition

Solution Approach 1:

The patent combines multiple gelling agents (silicone-modified polysaccharide compound, polyether-modified silicone, and organic-modified clay mineral) with waxes to create a composite gelling system. This composite approach allows the formulation to achieve both sufficient viscosity from the gelling agents and adequate adherence from the waxes, resolving the contradiction between these two properties.

Inventive Principle:

Principle #40Composite materials

Solution Approach 2:

The patent specifies precise compositional parameters for the gelling agents (content ratios of 20-70 wt% for silicone-modified polysaccharide, 5-50 wt% for polyether-modified silicone, and 5-50 wt% for organic-modified clay mineral) to optimize the viscosity-adherence balance. By controlling these parameters, the formulation achieves both desired viscosity and adherence without compromising either property.

Inventive Principle:

Principle #35Parameter changes

2Strength

If fibers are applied to eyelashes to add volume, then volume-adding effect is improved, but an unnatural finish results when too much fiber is applied

Engineering Contradiction:

ImprovevolumeVSAvoidnatural finish

Core Design Contradiction:

StrengthVSShape

Solution Approach 1:

The patent uses a specially formulated gelling agent system as an intermediary medium that provides volume through its gel structure and film-forming properties rather than relying solely on fiber application. This intermediary gelling matrix delivers volume while maintaining a natural finish, avoiding the unnatural appearance associated with excessive fiber use.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent controls the physical and chemical parameters of the gelling agents (molecular weight, degree of substitution, content ratios) to create a gel structure that provides volume through its rheological properties and film thickness, offering a natural alternative to fiber-based volume enhancement.

Inventive Principle:

Principle #35Parameter changes

3Device complexity

If a silicone-modified polysaccharide compound and polyether-modified silicone are used as gelling agents, then the formulation is simplified, but sufficient viscosity is not obtained

Engineering Contradiction:

Improveformulation complexityVSAvoidviscosity

Core Design Contradiction:

Device complexityVSStability of the object's composition

Solution Approach 1:

The patent creates a composite gelling system combining three types of gelling agents (silicone-modified polysaccharide, polyether-modified silicone, and organic-modified clay mineral) that work synergistically. This composite approach achieves sufficient viscosity while maintaining relatively simple formulation and processing, as all components are mixed together in a single oil-based system without complex multi-step procedures.

Inventive Principle:

Principle #40Composite materials

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 composition achieves outstanding adherence and a natural-looking finish while maintaining a long-lash effect, demonstrating improved stringiness and thickening properties compared to previous formulations.

Implementation Method 1

silicone-modified polysaccharide compound

Methodology Applied

Scientific EffectHydrogen bonding:

Implementation Method 2

oil-based gelling agent composed of a silicone-modified polysaccharide compound

Methodology Applied

Scientific EffectGel formation: Gel

Implementation Method 3

organic-modified clay mineral

Methodology Applied

Scientific EffectAdsorption: Adsorption

Implementation Method 4

wax

Methodology Applied

Scientific EffectCrystallization: Crystallisation

Data Source

PatentEP2997962B1Oil-based cosmetic

Publication Date: 2018.06.20 SHIN ETSU CHEMICAL CO LTD

AI summary

Provided is an oil-based cosmetic comprising a siliconized polysaccharide compound, silicone emulsifier, organic modified clay mineral, carbonic acid ester, and wax. According to the present invention, a spinnable oil-based composition having exceedingly excellent adherability can be obtained by using a specific siliconized polysaccharide compound, silicone emulsifier, organic modified clay mineral, carbon dioxide ester, and wax, and if this composition is used in an eyelash cosmetic material, it is possible to obtain an eyelash cosmetic material that has excellent adherability, has an excellent long-lash effect without adding fibers, and is capable of imparting a natural finished look.