Silicone-Free Shampoo with Cationic Polymer Conditioning
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional shampoos containing silicone conditioning agents often result in opaque products, which some consumers find undesirable, and there is a need for shampoos that provide effective cleansing and conditioning without silicones, offering clearer formulations.
Innovation Solution
A shampoo composition comprising alkyl sulfate or ethoxylated alkyl sulfate surfactants, fatty acyl isethionate, and a cationic polymer system consisting of cationic galactomannan and cationic cellulose, with a weight ratio of cationic galactomannan to cationic cellulose ranging from 1:1 to 10:1, which provides excellent cleansing and conditioning without silicone conditioning agents.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If silicone conditioning agents are used in shampoo compositions, then conditioning performance is improved, but the product becomes opaque
Solution Approach 1:
The patent removes silicone conditioning agents from the shampoo composition entirely, extracting the problematic ingredient that causes opacity while maintaining conditioning performance through alternative cationic polymers such as polyquaternium-10 and cetyl trimethyl ammonium chloride
Solution Approach 2:
The patent changes the chemical composition parameters by substituting silicone-based conditioners with water-soluble polymer-based conditioners, altering the formulation to achieve both transparency and conditioning efficacy through different chemical mechanisms
2Reliability
If silicone conditioning agents are used in shampoo compositions, then conditioning performance is improved, but the product contains silicones which some consumers find undesirable
Solution Approach 1:
The patent completely extracts silicone ingredients from the formulation, eliminating the substance that causes consumer concern while maintaining the desired conditioning effect through alternative polymer-based ingredients
Solution Approach 2:
The patent uses alternative polymer conditioners that can be rinsed away more easily compared to silicones, providing temporary conditioning that washes out cleanly without silicone residue buildup
3Reliability
If conventional conditioning shampoos are formulated, then hair conditioning is achieved, but the shampoo contains opaque ingredients
Solution Approach 1:
The patent changes the physical and chemical parameters of the conditioning agents by selecting water-soluble polymers with appropriate molecular weights and charge densities, achieving conditioning through electrostatic interactions rather than silicone deposition
Solution Approach 2:
The patent uses a composite system of multiple cationic polymers (polyquaternium-10, cetyl trimethyl ammonium chloride, and other quaternary ammonium compounds) working together to provide conditioning benefits that previously required silicone ingredients
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 shampoo composition achieves effective cleansing and conditioning performance while being substantially free of silicones, resulting in a clear or translucent product that meets consumer preferences for manageability and transparency.
Implementation Method 1
the cationic polymer comprises cationic galactomannan and cationic cellulose
Implementation Method 2
from 3 to 11 wt% alkyl sulfate surfactant, ethoxylated alkyl sulfate surfactant or mixture thereof
Implementation Method 3
from 1 to 7 wt% fatty acyl isethionate
Data Source
AI summary
Disclosed is a shampoo comprising from 1 to 15 wt% alkyl sulfate surfactant, ethoxylated alkyl sulfate surfactant or mixture thereof; from 0.5 to 12 wt% fatty acyl isethionate; and from 0.01 to 2 wt% cationic polymer, wherein the cationic polymer comprises cationic galactomannan and cationic cellulose. The shampoo is substantially free of silicone conditioning agent.