Cleansing Agent With Wax–Polymer Foam Stabilization
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Solution Overview
Problem
Conventional cleansing agents for facial cleansing fail to provide sufficient foam texture and sensation during use, with inadequate ease of foaming, foam elasticity, ease of rinsing, and smooth skin feeling post-cleansing.
Innovation Solution
A cleansing agent comprising an anionic surfactant, a wax with a melting point of 60°C to 93°C, and a cationic polymer, along with optional amphoteric surfactant, to enhance foam texture and sensation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If only a surfactant is used in the cleansing agent, then the formulation is simple, but the foam texture and sensation during use are insufficient
Solution Approach 1:
The invention uses a composite formulation containing three specific components: an anionic surfactant (15-40% by mass), a wax with melting point of 60-93°C (0.3-3% by mass), and a cationic polymer (0.1-1.2% by mass). This composite approach combines materials with different functions to achieve excellent foam texture, ease of foaming, and pleasant sensation during use, resolving the contradiction between formulation simplicity and performance quality.
Solution Approach 2:
The invention specifies precise parameter ranges for each component: anionic surfactant at 15-40% by mass, wax at 0.3-3% by mass with melting point 60-93°C, and cationic polymer at 0.1-1.2% by mass. By optimizing these parameters, the formulation achieves excellent foam characteristics and sensation during use while maintaining reasonable formulation complexity.
2Ease of operation
If conventional additives are combined to improve sensation during use, then the foam texture and sensation are enhanced, but the ease of rinsing and foam elasticity deteriorate
Solution Approach 1:
The invention specifies precise parameter ranges: anionic surfactant at 15-40% by mass, wax at 0.3-3% by mass with melting point 60-93°C, and cationic polymer at 0.1-1.2% by mass. This optimized parameter combination achieves excellent foam elasticity and ease of rinsing while maintaining pleasant sensation during use, resolving the contradiction between sensation enhancement and rinsing performance.
Solution Approach 2:
The invention selects specific types of materials with particular properties: wax with melting point of 60-93°C (specific range for optimal performance), cationic polymer with specific charge characteristics, and anionic surfactant with specific hydrophilic-lipophilic balance. This localized optimization of material properties ensures excellent foam elasticity and ease of rinsing while maintaining good sensation during use.
3Ease of operation
If water-soluble polymer is added to improve foam texture, then the foam characteristics are enhanced, but the smooth feeling of skin after cleansing and ease of rinsing are insufficient
Solution Approach 1:
The invention introduces wax as an intermediary component between the anionic surfactant and cationic polymer. The wax (with melting point 60-93°C at 0.3-3% by mass) acts as a mediator that modifies the interaction between surfactant and polymer, enabling excellent foam texture while maintaining smooth skin feeling and ease of rinsing. This intermediary component resolves the contradiction between foam texture enhancement and post-cleansing skin quality.
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 agent provides excellent foaming ease, foam elasticity, and a smooth skin feeling post-use, while maintaining manufacturability.
Implementation Method 1
a wax having a melting point of 60° C. to 93° C.
Implementation Method 2
an anionic surfactant
Implementation Method 3
a cationic polymer
Data Source
AI summary
The present invention provides a cleansing agent that can generate foam having excellent texture and can give an excellent sensation during use after cleansing. The cleansing agent includes (A) an anionic surfactant, (B) a wax having a melting point of 60° C. to 93° C., and (C) a cationic polymer.