Solid Shampoo Composition for Crack-Resistant Handling
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Solution Overview
Problem
Solid hair detergent compositions face challenges in handleability, making it difficult to take an appropriate amount for hair cleansing, and they tend to crack during storage, compromising their stability.
Innovation Solution
Incorporating alkali metal cocoyl isethionate salt, cationized guar gum, and water into the composition, along with optional cationized polymers and polyhydric alcohols, enhances handleability and prevents cracking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If liquid or semi-liquid shampoo formulations are used, then ease of operation and user convenience are improved, but environmental pollution and water consumption increase due to rinse-off waste
Solution Approach 1:
The invention changes the physical state parameter of shampoo from liquid/semi-liquid to solid form. This parameter change allows the shampoo to be applied in solid bar form and rinsed off with minimal waste, eliminating the need for plastic bottles and reducing water consumption while maintaining ease of use through proper formulation for lathering
Solution Approach 2:
The solid shampoo bar is designed to be used until depleted without requiring packaging for disposal. The entire product including packaging is eliminated in favor of a naked bar that can be used until gone, reducing waste compared to liquid shampoos that require plastic bottles and generate rinse-off waste
2Ease of operation
If liquid or semi-liquid shampoo formulations are used, then ease of operation and user convenience are improved, but resource consumption increases due to water content and packaging
Solution Approach 1:
The invention changes the physical state parameter of shampoo from liquid/semi-liquid to solid form. This parameter change allows the shampoo to be applied in solid bar form and rinsed off with minimal waste, eliminating the need for plastic bottles and reducing water consumption while maintaining ease of use through proper formulation for lathering
Solution Approach 2:
The invention extracts and removes excess water from the shampoo formulation, concentrating the active cleaning ingredients into a solid bar form. This extraction of water reduces the quantity of substance that needs to be produced, transported, and disposed of, while the solid form maintains effectiveness through concentrated surfactants and conditioning agents
3Object-affected harmful factors
If solid shampoo composition is used, then environmental pollution and resource consumption are reduced, but manufacturing precision and formulation stability become more difficult to achieve
Solution Approach 1:
The invention uses composite materials combining multiple surfactants (anionic, nonionic, amphoteric), conditioning agents, and stabilizers in specific ratios to create a solid shampoo bar that maintains formulation stability. The composite formulation ensures proper lathering, conditioning, and structural integrity while preventing phase separation and maintaining consistency during manufacturing and use
Solution Approach 2:
The invention carefully controls parameters such as pH, water content, and ingredient ratios to achieve formulation stability in solid form. By optimizing these parameters, the shampoo bar maintains its structural integrity, prevents cracking or crumbling, and ensures consistent performance throughout its use life
4Object-affected harmful factors
If solid shampoo composition is used, then environmental pollution and resource consumption are reduced, but device complexity and formulation complexity increase
Solution Approach 1:
The invention uses composite materials combining multiple surfactants (anionic, nonionic, amphoteric), conditioning agents, and stabilizers in specific ratios to create a solid shampoo bar that maintains formulation stability. The composite formulation ensures proper lathering, conditioning, and structural integrity while preventing phase separation and maintaining consistency during manufacturing and use
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 both effective handleability for hair cleansing and improved storage stability, with enhanced lathering and rinsing smoothness.
Implementation Method 1
The solid shampoo composition comprises from 15% to 40% based on the total weight of the composition of one or more surface active agents
Data Source
AI summary
An object of the present invention is to provide a solid hair detergent composition that achieves both the handleability of the agent when used and the crack suppression property during storage. The solid hair detergent composition including (A) an alkali metal cocoyl isethionate salt, (B) cationized guar gum, and (C) water can improve both the handleability of the agent when used and the crack suppression property during storage.