Water-Reduced Shampoo Composition with Non-Sulfate Surfactants
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Solution Overview
Problem
Conventional water-reduced shampoos face challenges in achieving acceptable washability, rinseability, conditioning performance, and stability while maintaining a compact and sustainable formulation, often resulting in a pasty consistency that requires more water for wash-out.
Innovation Solution
A shampoo composition comprising a surfactant component with a mixture of at least two non-sulfate anionic surfactants and a non-ionic surfactant, along with a polyol, which significantly reduces water content without compromising performance, enhancing washability and rinseability while maintaining viscosity and conditioning properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of substance
If water content is reduced to improve sustainability and reduce transportation weight, then water footprint and carbon dioxide emission are reduced, but washability and rinseability performance deteriorate due to higher pasty consistency
Solution Approach 1:
The patent changes the chemical composition parameters by using non-sulfate anionic surfactants combined with specific conditioning agents and polymers, allowing the formulation to achieve acceptable washability and rinseability at reduced water levels (below 75% water content) without the typical pasty consistency problems of conventional water-reduced shampoos
Solution Approach 2:
The patent employs a composite surfactant system combining non-sulfate anionic surfactants with cationic conditioning agents and polymers, creating a multi-component formulation that delivers both cleansing and conditioning performance while maintaining fluid consistency at reduced water levels
2Loss of substance
If water content is reduced to compact the shampoo formulation, then packaging waste is reduced, but rinseability speed worsens due to thicker consistency requiring more water for wash-out
Solution Approach 1:
The patent modifies the formulation parameters by incorporating specific polymers and conditioning agents that maintain low viscosity and fast rinse-off properties even at compacted water levels, eliminating the need for excessive water during the wash-out phase
3Loss of substance
If conventional surfactants are used in water-reduced formulations, then sustainability is improved, but product performance deteriorates due to harsh components and inadequate lather volume
Solution Approach 1:
The patent changes the surfactant type from conventional sulfate-based surfactants to non-sulfate anionic surfactants, which provide gentler cleansing, substantial lather volume, and excellent rinseability while maintaining sustainability credentials and performing well at reduced water levels
Solution Approach 2:
The patent creates a composite surfactant system that combines non-sulfate anionic surfactants with cationic conditioning agents and polymers, achieving a balance between sustainability, gentleness, lather volume, and rinseability that conventional single-component surfactants cannot provide
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 improved washability and rinseability with less water usage, maintaining product performance and stability, even at reduced water levels, and is free of harsh components, making it more sustainable and environmentally friendly.
Implementation Method 1
a surfactant component comprising a mixture of at least two non-sulfate anionic surfactants and a non-ionic surfactant
Implementation Method 2
a polyol
Data Source
AI summary
A shampoo composition is disclosed which comprises a combination of a surfactant component, a liquid or solid polyol and a very low concentration of water.