Isethionate Surfactant and Coco-Ester Hair Conditioning
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Solution Overview
Problem
Traditional skin and hair cleansing compositions often compromise on either cleansing efficacy or conditioning benefits, as conditioning agents can negatively affect foaming and viscosity properties, making it challenging to achieve both effective cleansing and moisturization.
Innovation Solution
A rinse-off composition combining a specific anionic surfactant, such as sodium cocoyl isethionate, with coco-caprylate/caprate and a polysaccharide-based cationic compound, which maintains excellent foaming and conditioning properties while providing moisturization and detangling benefits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conditioning agents are added to skin cleansing or shampoo composition, then conditioning properties such as moisturized skin and detangling are improved, but foaming properties and viscosity of the composition are negatively affected
Solution Approach 1:
The patent changes the chemical parameters of the conditioning agents by selecting specific ester types (coco-caprylate/caprate) and polysaccharide-based cationic compounds with controlled molecular weights and charge densities. These parameter changes allow the conditioning agents to maintain composition stability while providing effective conditioning
Solution Approach 2:
The patent uses composite conditioning systems combining multiple ingredients (anionic surfactants, esters, polysaccharide-based cationic compounds, and optional additional surfactants) that work synergistically. This composite approach allows the composition to achieve both good foaming properties and effective conditioning, resolving the contradiction between the two requirements
2Quantity of substance
If oils or esters are added to improve conditioning, then moisturization is enhanced, but foaming properties and viscosity are negatively affected
Solution Approach 1:
The patent specifies precise concentration ranges for esters (0.01-5% by weight) and polysaccharide-based cationic compounds (0.01-7% by weight). These parameter changes ensure sufficient moisturization while maintaining optimal foaming properties by preventing excessive viscosity increase
Solution Approach 2:
The patent introduces polysaccharide-based cationic compounds as intermediary substances that bridge the anionic surfactants and esters. These compounds facilitate stable emulsion formation and improve conditioning without significantly affecting foaming, acting as a mediator that resolves the contradiction between moisturization and foaming properties
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 superior cleansing and conditioning effects, ensuring the hair remains moisturized, manageable, and free of greasiness, with enhanced shine and frizz control, while maintaining the composition's viscosity and foaming properties.
Implementation Method 1
a rinse-off skin or hair composition, such as, for example, a rinse-off skin cleanser or a shampoo composition comprising (a) an anionic surfactant system
Implementation Method 2
at least one cationic compound chosen from at least one polysaccharide-based cationic compound
Data Source
AI summary
Disclosed are conditioning systems comprising (a) at least one anionic surfactant chosen from isethionate surfactants; (b) coco-caprylate/caprate; and (c) at least one cationic compound, and rinse-off compositions comprising (a) an anionic surfactant system comprising i) a first anionic surfactant chosen from isethionate surfactants, and ii) optionally, a second anionic surfactant; (b) coco-caprylate/caprate; and (c) at least one cationic compound. Also disclosed are methods of treating and/or caring for the skin, hair, and/or scalp with the conditioning systems and/or rinse-off compositions containing the conditioning systems.