Polyphenol Coating for Keratin via Hydrogen Bonding
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Solution Overview
Problem
Current cosmetic products for keratin materials lack long-lasting, water-resistant, and comfortable formulations that are environmentally friendly and free from synthetic ingredients, particularly for semi-permanent makeup applications.
Innovation Solution
A process involving the application of a coating agent formed by hydrogen bonding interaction between polyphenols with multiple phenol groups and monoglycerolated or polyglycerolated polyoxyalkylenated nonionic compounds, providing excellent staying power and comfort without tackiness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of stationary object
If synthetic coating polymers are used to achieve long-lasting makeup, then staying power is improved, but environmental friendliness and natural ingredient content deteriorate
Solution Approach 1:
The patent changes the chemical parameters of the coating agent from synthetic polymers to a natural compound system consisting of polyphenols and nonionic surfactants. This parameter change maintains the film-forming capability and staying power while eliminating the environmental harm associated with synthetic ingredients.
Solution Approach 2:
The patent uses a composite system formed by the interaction of polyphenols with nonionic surfactants (monoglycerolated and/or polyglycerolated polyoxyalkylenated compounds). This composite material combines the film-forming properties of polyphenols with the surfactant properties of the nonionic compound, achieving both long-lasting performance and environmental compatibility.
2Duration of action of stationary object
If silicone resins are used as coating agents, then staying power is improved, but comfort and absence of tackiness deteriorate
Solution Approach 1:
The patent changes the physical and chemical parameters of the coating agent from silicone resins to a polyphenol-nonionic surfactant complex. This parameter change results in a coating that forms a flexible, non-tacky film while maintaining long-lasting adhesion to keratin materials.
Solution Approach 2:
The patent replaces the silicone-based coating mechanism with a hydrogen bonding-based coating mechanism. The polyphenol-nonionic surfactant complex forms films through hydrogen bonding interactions, which provide both durability and comfort without the tackiness associated with silicone resins.
3Duration of action of stationary object
If conventional makeup products are used, then ease of removal is maintained, but staying power and water resistance deteriorate
Solution Approach 1:
The patent creates a coating with localized properties: the polyphenol-nonionic surfactant complex forms a film that is highly resistant to water and mechanical friction on the surface, while maintaining controlled removability through specific cleansing mechanisms. The coating adheres strongly to keratin materials but can be removed with appropriate cleansers.
4Duration of action of stationary object
If polyphenols with multiple phenol groups are combined with nonionic compounds, then staying power and water resistance are improved, but formulation complexity increases
Solution Approach 1:
The patent merges the functions of multiple ingredients into a single interactive system. The polyphenol and nonionic surfactant combine to form a unified coating agent that provides both film-forming and surfactant properties, simplifying the overall formulation while achieving superior performance.
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 solution achieves long-lasting cosmetic effects resistant to water, sebum, and mechanical friction, while being comfortable and environmentally friendly, suitable for keratin materials like skin, hair, and nails.
Implementation Method 1
a coating agent formed by hydrogen bonding interaction of at least one polyphenol X comprising at least two different phenol groups with at least one monoglycerolated and/or polyglycerolated polyoxyalkylenated nonionic compound Y
Data Source
AI summary
The present invention relates to a process for coating keratin materials, which consists in applying to said materials a coating agent formed by hydrogen bonding interaction of at least one polyphenol X comprising at least two different phenol groups with at least one monoglycerolated and/or polyglycerolated polyoxyalkylenated nonionic compound Y with a molar mass greater than 200 g/mol.More particularly, the process is intended for making up keratin materials.