Anionic Zwitterionic Surfactant System for Shower Gel Formulation
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Solution Overview
Problem
The complexity of foaming emulsions for shower gel products requires a large number of ingredients, making them time-consuming and expensive to create while maintaining high foaming, sensory, and rheological characteristics.
Innovation Solution
A surfactant system comprising an anionic surfactant, such as sodium laureth sulfate, and a zwitterionic surfactant, like cocoamidopropyl betaine, in combination with a preservative and a rheology modifier, provides a balanced formulation with a minimal number of ingredients, achieving desirable foaming, sensory, and rheological characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a large number of ingredients are used in foaming emulsions, then foaming characteristics and sensory properties are improved, but formulation complexity and production costs increase
Solution Approach 1:
The patent combines anionic and zwitterionic surfactants into a single synergistic system that delivers both high foaming characteristics and sensory properties. This merging of surfactant types creates a unified formulation approach that reduces the total number of ingredients needed while maintaining or improving performance.
Solution Approach 2:
The surfactant system is designed to perform multiple functions simultaneously: generating foam, providing sensory properties, ensuring stability, and delivering cleansing efficacy. This multi-functionality eliminates the need for separate ingredients targeted at each individual property, thereby reducing formulation complexity.
2Ease of operation
If a large number of ingredients are used in foaming emulsions, then sensory properties are improved, but manufacturing time and logistical effort increase
Solution Approach 1:
By merging sensory-enhancing components into the core surfactant system rather than adding them as separate additives, the formulation process is streamlined. The anionic-zwitterionic surfactant combination inherently provides sensory benefits, eliminating the need for additional processing steps to incorporate separate sensory agents.
3Stability of the object's composition
If a large number of ingredients are used in foaming emulsions, then rheological characteristics are improved, but formulation cost increases
Solution Approach 1:
The patent merges rheology-modifying functionality into the surfactant system itself through the synergistic interaction between anionic and zwitterionic surfactants. This combination naturally provides desirable rheological characteristics without requiring separate thickening or stabilizing agents, thereby reducing the total ingredient count.
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 is storage stable and provides effective skin cleansing with a simple formula, maintaining high foaming and sensory properties comparable to products with more ingredients, while reducing the number of components and production costs.
Implementation Method 1
a surfactant system consisting essentially of an anionic surfactant and a zwitterionic surfactant
Data Source
AI summary
A personal care composition comprising a surfactant system consisting essentially of an anionic surfactant and a zwitterionic surfactant; a preservative; a pH modifier; and a rheology modifier, wherein the ratio of anionic surfactant to zwitterionic surfactant is about 1:1 to about 2.2:1 of the total composition by weight.