High Oil Foaming Composition Stabilized by Polysaccharide Gel
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Solution Overview
Problem
Foams containing a substantial amount of oil are unstable due to oils acting as defoamers, making it difficult to maintain bubble structures and providing effective cosmetic benefits like hair manageability under both wet and dry conditions.
Innovation Solution
A foaming composition comprising at least one cationic polysaccharide, a crosslinker with three or more acid groups or its salt, and a physiologically acceptable volatile medium, which forms a dynamically and ionically-crosslinked gel (DIC-gel) that stabilizes the foam even with high oil content, using specific cationic polysaccharides like polyquaternium-4 and crosslinkers such as phytic acid.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If a substantial amount of oil is included in the foam composition, then cosmetic effects and hair manageability are improved, but foam stability deteriorates due to oils acting as defoamers
Solution Approach 1:
A polysaccharide-based stabilizer acts as an intermediary substance between the oil and the foam structure. This stabilizer forms a protective network that prevents the oil from disrupting the foam bubbles, allowing high oil content (10-50% by weight) to be incorporated while maintaining foam stability. The stabilizer mediates the interaction between the defoaming oil and the foam structure, enabling both high oil content and stable foam formation simultaneously.
2Ease of manufacture
If conventional surfactants are used to form foam, then foam formation is achieved, but skin irritation and environmental harm occur
Solution Approach 1:
The invention changes the chemical parameters of the foam-forming system by replacing conventional surfactants with a polysaccharide-based stabilizer system. This parameter change involves using natural polymers with specific molecular weights and charge characteristics (cationic or anionic polysaccharides) that can stabilize foam through different mechanisms than surfactants, thereby eliminating skin irritation and environmental harm while maintaining foam formation capability.
Solution Approach 2:
The invention uses biodegradable polysaccharide materials that are environmentally friendly and safe for skin contact, replacing persistent and harmful conventional surfactants. These natural polysaccharide stabilizers are readily biodegradable and non-toxic, providing a sustainable alternative that eliminates the harmful effects associated with traditional foam-forming agents.
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 creates a stable foam that maintains its structure for an extended period, providing superior cosmetic effects such as improved hair smoothness without the need for conventional surfactants, which can cause skin irritation and environmental concerns.
Implementation Method 1
a foaming composition comprising: (a) at least one cationic polysaccharide; (b) at least one crosslinker having three or more acid groups or salt thereof
Implementation Method 2
forms a dynamically and ionically-crosslinked gel (DIC-gel) that stabilizes the foam
Implementation Method 3
at least one physiologically acceptable volatile medium
Data Source
AI summary
The present invention relates to a foaming composition comprising: (a) at least one cationic polysaccharide; (b) at least one crosslinker having three or more acid groups or salt thereof; (c) at least one oil; and (d) at least one physiologically acceptable volatile medium, wherein the amount of the (c) oil(s) in the composition is 10% by weight or more, preferably 15% by weight or more, and more preferably 20% by weight or more, relative to the total weight of the composition. The composition according to the present invention can form a foam which is stable over time.