Gelation Agent Composition for Solid Cosmetics
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Solution Overview
Problem
Existing gelling agent compositions for cosmetics struggle to maintain sufficient gel strength when molded into stick shapes, while also preventing the sweating phenomenon of oil separation over time.
Innovation Solution
A composition comprising dibutyl lauroyl glutamide, an acyl acidic amino acid or hydroxy acid, and a polar oil at specific ratios, which suppresses sweating and maintains optimal gel strength and texture in solid cosmetics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If amino acid-based gelling agents are used to gel oil, then gel strength is improved, but heating at very high temperature is necessary making handling difficult
Solution Approach 1:
The patent changes the physical state parameter of the gelling agent from solid to liquid by dissolving it in higher alcohols or fatty acids. This allows the gelling agent to be handled and mixed at lower temperatures without requiring high-temperature heating, while still maintaining its ability to form gels when applied to oil-containing formulations.
Solution Approach 2:
The patent introduces higher alcohols or fatty acids as intermediary solvents that facilitate the dissolution and handling of amino acid-based gelling agents. These intermediaries enable the gelling agents to be uniformly distributed in liquid form before application, simplifying the manufacturing process without compromising gel strength.
2Ease of operation
If gelling agent is dissolved in higher alcohols or fatty acids, then handling is improved, but gel strength is insufficient and oil floats out over time
Solution Approach 1:
The patent creates a composite gelling agent composition by combining amino acid-based gelling agents with higher alcohols or fatty acids in specific ratios. This composite structure allows the mixture to maintain liquid handling properties while preserving the gel-forming capability, preventing oil separation when properly formulated.
Solution Approach 2:
The patent optimizes the concentration parameters of the gelling agent in the solvent mixture. By controlling the amount of amino acid-based gelling agent dissolved in the higher alcohol or fatty acid, the formulation achieves both ease of handling and sufficient gel strength to prevent oil floating.
3Temperature
If emphasis is placed on melting temperature, then low melting temperature is achieved, but gel strength of solid formulation is insufficient
Solution Approach 1:
The patent simultaneously optimizes multiple parameters including melting temperature, gel strength, and composition ratios. By adjusting the types and amounts of polar oils, higher alcohols, and amino acid-based gelling agents, the formulation achieves low melting temperature suitable for solid cosmetics while maintaining adequate gel strength through the synergistic composite structure.
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 allows for the creation of solid cosmetics with improved moldability, texture, and stability, effectively preventing oil separation and maintaining sufficient breaking strength.
Implementation Method 1
Amino acid-based gelling agents such as dibutyl N-lauroyl-L-glutamide and dibutyl N-2-ethylhexanoyl glutamide are capable of gelling oils
Implementation Method 2
a gelatinous composition with an extremely low melting temperature has been provided
Data Source
AI summary
The present invention relates to a gelling agent composition containing (A) to (C) with respect to the total amount of the composition: (A) dibutyl lauroyl glutamide: 5 to 40% by weight, (B) an acyl acidic amino acid with an acyl group having 1 to 22 carbon atoms, or hydroxy acid: 0.4 to 22% by weight, and (C) a polar oil: 37 to 90% by weight, wherein a weight ratio (B)/(A) is 0.03 to 0.7. The gelling agent composition of the present invention has an appropriate melting temperature, does not require excessive heating, and is most suitable for the production of cosmetic products, and the like. Furthermore, by preparing using the present gelling agent composition, a gelatinous composition free of rising of oil over time can be provided, and even when formed into a stick shape, sufficient gel strength (breaking strength) and superior texture can be imparted. Thus, the composition is most suitable for cosmetic products and the like.