Liquid Inverse Emulsion Lip Composition for Long-Lasting Hydration
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Solution Overview
Problem
Conventional moisturizing lip compositions provide short-lasting hydration and often result in a greasy, tacky, or uneven application, requiring frequent reapplication and lacking long-term flexibility and comfort.
Innovation Solution
A water-in-oil emulsion composition containing at least 6% non-volatile hydrocarbon-based oils, 15% water, nonionic surfactants, and polar hydrocarbon-based waxes, which provides long-lasting hydration, a comfortable, non-greasy feel, and a homogeneous application.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If conventional moisturizing compositions are applied to form an occlusive barrier, then short-term moisturizing effect is achieved, but the effect does not persist over time and requires frequent reapplication
Solution Approach 1:
The patent changes the fundamental parameter of emulsion type from conventional water-in-oil or oil-in-water emulsions to a specific liquid inverse emulsion formulation with precisely defined composition ratios. The emulsion contains 20-40% water, 30-60% oils and fats, 5-20% waxes, and 2-10% surfactants, creating a stabilized system that provides prolonged moisturizing effect without requiring frequent reapplication.
Solution Approach 2:
The invention uses a composite formulation combining multiple components: water, various oils and fats (including plant oils, mineral oils, and synthetic esters), waxes (beeswax, carnauba wax, microcrystalline wax), and nonionic surfactants. This composite material structure creates a synergistic effect that enhances the duration and persistence of the moisturizing action on the lips.
2Manufacturing precision
If conventional emulsion compositions are applied to provide moisturizing effect, then hydration is achieved, but the application is not homogeneous and produces a soaping effect with white coloration
Solution Approach 1:
The patent optimizes the HLB (Hydrophilic-Lipophilic Balance) parameter of the nonionic surfactants used in the emulsion. By carefully selecting surfactants with appropriate HLB values and adjusting their concentration within the 2-10% range, the formulation achieves stable emulsion droplet distribution that prevents soaping effect and ensures homogeneous application without white coloration on the lips.
Solution Approach 2:
The invention creates local quality optimization by ensuring uniform distribution of emulsion droplets across the lip surface. The specific composition and stabilization mechanisms produce consistent film formation with homogeneous color and thickness, eliminating the patchy white deposits characteristic of conventional emulsions.
3Object-affected harmful factors
If conventional compositions are applied to form a protective barrier, then barrier action is achieved, but the deposit is perceived as heavy, greasy, and tacky
Solution Approach 1:
The patent changes the physical and chemical parameters of the occlusive barrier by using a liquid inverse emulsion formulation with optimized viscosity and composition. The specific ratio of oils, waxes, and surfactants creates a barrier that is protective yet feels light and non-greasy. The emulsion structure allows for controlled film formation that dries to a non-tacky finish while maintaining protective function.
Solution Approach 2:
The emulsion forms a microstructured film with porous characteristics that allows for breathability and reduced greasiness perception. The dispersed phase structure creates a network that provides barrier protection while maintaining a light, comfortable feel on the lips, avoiding the heavy and tacky sensation of conventional occlusive formulations.
4Quantity of substance
If conventional emulsion compositions are applied, then moisturizing is provided, but the application chases and produces uneven deposit in color and thickness
Solution Approach 1:
The patent optimizes the viscosity and rheological parameters of the emulsion to prevent chasing during application. The specific composition of oils, waxes, and surfactants creates a formulation with appropriate flow characteristics that allows for controlled, even distribution across the lip surface, resulting in uniform deposit of consistent color and thickness.
Solution Approach 2:
The invention achieves homogeneity through careful formulation of the inverse emulsion system. The stabilized droplet distribution and uniform composition ensure that the deposit is consistent in both color and thickness across the entire application area, eliminating the uneven results characteristic of conventional emulsion compositions.
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 ensures prolonged hydration and flexibility of the lips, maintains a light, non-greasy texture, and prevents the 'soaping' effect, ensuring a comfortable and even application.
Implementation Method 1
at least one nonionic hydrocarbon-based or silicone surfactant
Implementation Method 2
They act more particularly by forming an occlusive barrier on their surface which helps maintain the water in the lips
Data Source
AI summary
This invention relates to a composition, in the form of a water-in-oil emulsion, containing: —at least 6% by weight in relation to the total weight of the composition, of at least one non-volatile hydrocarbon-based oil H1 chosen from plant oils or non-volatile triglycerides with a molecular weight greater than 400 Da, non-volatile non-polar hydrocarbon-based oils with a molecular weight greater than 350 Da, non-volatile ester oils with a molecular weight greater than 350 Da, and mixtures thereof; —optionally less than 5% by weight in relation to the total weight of said composition of non-volatile hydrocarbon-based oil(s) H2 chosen from C10-C26 alcohols, preferably monoalcohols; non-volatile triglycerides with a molecular weight less than or equal to 400 Da; non-volatile ester in oils with a molecular weight less than or equal to 350 Da; non-volatile non-polar hydrocarbon-based oils with a molecular weight less than or equal to 350 Da; dialkyl carbonates; and mixtures thereof; —at least 15% by weight of water with respect to the total weight of said composition; —at least one nonionic hydrocarbon-based or silicone surfactant; and —at least one polar hydrocarbon-based wax chosen from beeswaxes; synthetic beeswaxes; (poly)oxyalkylenated hydrocarbon waxes, the oxyalkykenated residue(s) being C2-C4 or (poly)glycerolated; alcohol waxes, and mixtures thereof.