Polyethylene Glycol Heating Hair Styling Composition
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Solution Overview
Problem
Existing hair styling agents lack a combination of strong hold, flexibility, and hair care properties while also providing a heating effect for both temporary shaping and care of keratin fibers, particularly human hair, without leaving visible residues.
Innovation Solution
A cosmetic composition comprising polyethylene glycol with 4 to 20 oxyethylene units, a copolymer of hydrogenated castor oil and an n-alkyl dicarboxylic acid, and a film-forming agent, such as polyvinylpyrrolidone, which generates a heating effect and enhances both styling and hair care when applied to wet hair.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If synthetic polymers and waxes are used as active ingredients for temporary hair shaping, then strong hold and styling ability are improved, but hair care properties and flexibility deteriorate
Solution Approach 1:
The patent combines a polymer film-forming agent (for styling hold) with a hair care copolymer (hydrogenated castor oil and dicarboxylic acid) in a single composition. This merging allows the product to simultaneously provide strong styling hold and hair care benefits, resolving the contradiction between styling performance and hair care properties.
Solution Approach 2:
The styling agent is designed to perform multiple functions: temporary hair shaping, hair care, and heating effect. The copolymer component provides universal hair care benefits while the polymer film-forming agent ensures styling hold, making the product adaptable to both styling and care requirements.
2Strength
If polymer film is made strong for high styling hold, then fixative effect is improved, but flexibility and resistance to breaking deteriorate
Solution Approach 1:
The invention uses a composite formulation combining a polymer film-forming agent with a copolymer of hydrogenated castor oil and dicarboxylic acid. This composite material approach allows the film to achieve both strength for fixative effect and flexibility to prevent breaking, as the copolymer component provides flexibility while the polymer film-forming agent provides strength.
3Ease of operation
If polyethylene glycol is used to generate heating effect, then user experience is improved, but compatibility with hair styling functions deteriorates
Solution Approach 1:
The patent merges polyethylene glycol (which provides heating effect) with a polymer film-forming agent and hair care copolymer in a single composition. This combination allows the heating effect to be integrated with styling functions, as the polyethylene glycol works synergistically with the polymer film-forming agent to provide both thermal sensation and styling hold.
4Adaptability or versatility
If multiple active ingredients are combined to achieve both styling and care effects, then product functionality is improved, but formulation complexity deteriorates
Solution Approach 1:
The patent creates a multi-functional product where a single formulation provides both styling and hair care effects. The copolymer of hydrogenated castor oil and dicarboxylic acid serves as a universal ingredient that contributes to both styling hold and hair care properties, reducing the need for separate ingredients for each function.
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 provides a strong, flexible hold with reduced residue formation, enhances hair care by repairing damaged hair, and generates a pleasant heating sensation, suitable for various hair types and conditions.
Implementation Method 1
Substances used in the cosmetics industry and able to achieve a heating effect are, for example, polyethylene glycol. Up to a certain length, these are hygroscopic and generate heat when coming into contact with water or moisture.
Data Source
AI summary
Cosmetic composition having a heating effect and used for the care and temporary shaping of keratin fibers and related methods are provided. The cosmetic composition can include at least one polyethylene glycol comprising 4 to 20 oxyethylene units; a copolymer composed of hydrogenated castor oil and an n-alkyl dicarboxylic acid comprising 4 to 10 C atoms; and at least one film-forming agent.