Diamond Powder Shampoo Viscosity and Shine Stability

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Solution Overview

Problem

Cosmetic shampoos face challenges in achieving sufficient viscosity without using polyethylene glycol-containing thickeners or polymers that homo- or copolymerize with acrylic acid or methacrylic acid, while maintaining a uniform gloss effect and preventing diamond particle deposition, which affects shine performance.

Innovation Solution

A shampoo preparation containing anionic and amphoteric surfactants, diamond particles, and sodium chloride, without polyethylene glycol thickeners, and using specific surfactant ratios and guar hydroxypropyltrimonium chloride to stabilize diamond particles and ensure proper viscosity and shine.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Force

If polyethylene glycol-containing thickeners are used to achieve sufficient viscosity, then the shampoo provides adequate viscosity, but the product contains unwanted thickeners that consumers dislike and may cause deposition issues

Engineering Contradiction:

ImproveviscosityVSAvoidunwanted thickeners

Core Design Contradiction:

ForceVSObject-affected harmful factors

Solution Approach 1:

The invention extracts and removes polyethylene glycol-containing thickeners and problematic polymers from the shampoo formulation, replacing them with alternative viscosity-building mechanisms using specific surfactant combinations and sodium chloride that achieve adequate viscosity without unwanted additives

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The invention changes the formulation parameters by specifying precise ranges for surfactant ratios (anionic to amphoteric) and sodium chloride concentration (0.4-3 wt.%) to achieve the desired viscosity profile without relying on excluded thickeners

Inventive Principle:

Principle #35Parameter changes

2Illumination intensity

If diamond particles are added to enhance shine, then the shampoo provides gloss effect, but diamond particles may deposit and settle, affecting consistency

Engineering Contradiction:

ImproveshineVSAvoidparticle suspension stability

Core Design Contradiction:

Illumination intensityVSStability of the object's composition

Solution Approach 1:

The invention uses amphoteric surfactants as intermediary agents that interact with diamond particles to prevent their deposition and settling, maintaining uniform distribution and suspension stability throughout the shampoo formulation

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The invention creates a composite formulation where diamond particles are integrated with specific surfactant systems (anionic and amphoteric in defined ratios) to achieve both shine enhancement and stable particle suspension without separation

Inventive Principle:

Principle #40Composite materials

3Force

If polymers that homo- or copolymerize with acrylic acid or methacrylic acid are used to maintain viscosity, then the shampoo provides adequate viscosity, but the product contains polymers with unclear biodegradation properties

Engineering Contradiction:

ImproveviscosityVSAvoidbiodegradation properties

Core Design Contradiction:

ForceVSReliability

Solution Approach 1:

The invention extracts and eliminates polymers with homo- or copolymerization with acrylic acid or methacrylic acid from the formulation, replacing their viscosity-function with alternative mechanisms using surfactant ratios and electrolyte concentration

Inventive Principle:

Principle #2Taking out (Extraction)

Data Source

PatentEP4230188A1Shampoo containing diamond powder

Publication Date: 2023.08.23 BEIERSDORF AG

AI summary

The present application relates to a cosmetic shampoo.