Dual Phase Product Design for Niacinamide Stability
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Solution Overview
Problem
Dual phase products in personal care lack a premium experience that mimics nature, failing to effectively separate incompatible ingredients while maintaining stability and efficacy.
Innovation Solution
A dual phase product design where a first portion is surrounded by a second portion, with the second portion being at least partially transparent and having a Crossover Stress of equal to or greater than 10 Pascals, allowing for the separation of incompatible ingredients like niacinamide, which improves its efficacy when mixed at a lower pH.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If incompatible ingredients are separated into two phases, then stability is improved, but product complexity increases
Solution Approach 1:
The patent applies nesting by placing one phase inside another phase in a concentric arrangement. The inner phase contains incompatible ingredients (e.g., niacinamide at neutral pH) while the outer phase contains different ingredients (e.g., acidic pH components). This nested structure maintains physical separation for stability while creating a unified product form that doesn't require complex packaging or dispensing mechanisms.
Solution Approach 2:
The patent segments the product into distinct phases with different compositions and properties. Each phase can be independently formulated for optimal stability of its ingredients, while the overall product remains a single dispensable unit. The segmentation allows incompatible ingredients to be separated yet delivered together upon application.
2Ease of manufacture
If multiple phases are combined in a single dispenser, then premium experience is improved, but manufacturing complexity increases
Solution Approach 1:
The patent merges multiple phases into a single dispenser system, combining what would traditionally require separate containers into one unified product. The concentric phase structure allows both phases to be dispensed simultaneously through a single nozzle, creating a premium user experience while simplifying packaging and dispensing mechanics.
Solution Approach 2:
The patent uses composite material principles by creating a multi-phase system where each phase has distinct properties (viscosity, pH, composition) but they are integrated into a single dispensable product. The outer phase can provide structural support and controlled release properties while the inner phase contains active ingredients, creating a composite functional system.
3Shape
If the second phase surrounds the first phase completely, then visual premium appearance is improved, but ingredient mixing control becomes difficult
Solution Approach 1:
The patent applies local quality by giving different regions of the product different properties. The outer phase has specific viscosity and structural characteristics that maintain phase separation, while the inner phase contains the active ingredients. The concentric structure provides local protection and controlled interaction zones, allowing the phases to remain distinct during storage but mix appropriately upon application.
Data Source
AI summary
A discrete dispensed product comprising a first portion; and a second portion at least partially surrounding the first portion provides a premium and distinct appearance to consumers.