Cationic Dermal Nanoparticle Composition for Flexible Skin Barrier
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Solution Overview
Problem
Current skin care products fail to provide comprehensive benefits such as moisturizing, protection from environmental pollutants, and anti-aging in a single product, often requiring multiple products and lengthy purification processes for nanoparticles, and can cause discomfort due to stiff films.
Innovation Solution
A composition comprising cationic nanoparticles, a film-forming ingredient like Pullulan, and a positively charged ingredient like Polyquaternium-22, which forms a protective, breathable film on the skin, enhancing ingredient absorption and providing immediate and long-term benefits without lengthy purification steps.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple separate skin care products are used to achieve moisturizing, protection, and anti-aging benefits, then comprehensive skin benefits are achieved, but product complexity and application steps increase
Solution Approach 1:
The patent combines multiple skin care functions (moisturizing, protection from environmental pollutants, anti-aging) into a single multi-phase cosmetic composition. The formulation integrates cationic nanoparticles for anti-aging and protection, film-forming ingredients for moisturizing, and tensioning agents for immediate wrinkle reduction, all in one product that delivers comprehensive benefits without requiring multiple separate applications
Solution Approach 2:
The cosmetic composition is designed as a universal product that performs multiple functions simultaneously: the cationic nanoparticles provide anti-aging and protective effects, the film-forming ingredients deliver moisturizing benefits, and the tensioning agents offer immediate cosmetic improvement. This multi-functional formulation eliminates the need for consumers to use multiple specialized products
2Ease of operation
If nanoparticles are used to deliver active ingredients deeper into the skin, then ingredient absorption is improved, but purification processes become more complex and time-consuming
Solution Approach 1:
The cationic nanoparticles are pre-formulated with encapsulated active ingredients during the manufacturing process, eliminating the need for post-formulation purification steps. The nanoparticles are designed to be directly incorporable into the final cosmetic composition without requiring centrifugation, filtration, or other purification processes, thus saving time while maintaining enhanced ingredient delivery capabilities
Solution Approach 2:
The patent removes the purification step entirely from the formulation process by designing cationic nanoparticles that can be directly integrated into the cosmetic composition. Instead of producing nanoparticles separately and then purifying them, the formulation methodology extracts the purification requirement by using a direct incorporation approach that maintains ingredient absorption benefits without the time-consuming purification phase
3Ease of operation
If tensioning agents are used to provide immediate wrinkle reduction, then cosmetic improvement is achieved, but skin comfort deteriorates due to stiff film formation
Solution Approach 1:
The patent modifies the physical properties of the film-forming components by selecting specific polymers and adjusting their concentrations to achieve optimal film flexibility. The formulation uses film-forming ingredients that create a flexible rather than stiff coating on the skin, maintaining the tensioning effect for wrinkle reduction while improving skin comfort and preventing the cracking issue associated with rigid films
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 effectively delivers active ingredients, protects against pollutants, hydrates, and reduces wrinkles and fine lines, offering immediate and long-term skin improvements with improved adherence and reduced toxicity.
Implementation Method 1
They produce a cationic charge that creates a positively charged electrostatic field that surrounds the skin
Implementation Method 2
The positive charge created by applying the cationic composition attracts these harmful substances to the skin
Implementation Method 3
Many skin products also include ingredients that form a film on your skin when they dry. This film acts like a barrier. It protects your skin from foreign materials
Implementation Method 4
Nanoparticles smaller than 10 nanometers can actually move between skin cells. Larger particles, however, stay on the skin surface or within the hair follicles
Data Source
AI summary
The present invention is a method of conditioning and treating a person's skin with a novel dermal care formulation characterized by the combination of (a) a cationic nanoparticle composition; (b) a film-forming ingredient; and (c) at least one cationic ingredient not encapsulated within the nanoparticle composition. The formulation may or may not contain a pharmacologically active ingredient. This three-fold system provides a comprehensive approach to dermal care, offering anti-aging, environmental protection, moisturizing and rejuvenating properties. As described and claimed herein, the invention consists of the method of conditioning and treating the skin, the formulations that are applied to skin, and methods of preparing those formulations.