Water-absorbent Cleansing Substrate with Embedded Electronics
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Solution Overview
Problem
Existing personal care products fail to effectively produce foam in hard water and provide a consumer-acceptable cleansing experience, especially when used with keratinized materials like hair, nails, and skin.
Innovation Solution
A flexible, three-dimensional water-absorbent substrate material infused with a pourable soap and an electronic device within a waterproof housing, capable of emitting light, sound, or vibrations, powered by a direct current source, which produces foam and enhances the cleansing experience by incorporating di- or trivalent cationic salts and skincare/haircare actives.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional personal care products are used, then they provide basic cleansing function, but they fail to effectively produce foam in hard water
Solution Approach 1:
The patent changes the chemical parameters of the soap composition by incorporating specific di- or trivalent cationic salts (such as calcium or magnesium salts) that enable effective foam production in hard water conditions. This parameter change allows the cleansing article to maintain reliability across different water hardness levels.
2Reliability
If conventional personal care products are used, then they provide basic cleansing, but they fail to provide a consumer-acceptable cleansing experience
Solution Approach 1:
The patent merges multiple functions into a single cleansing article: the water-absorbent substrate provides structural integrity and lathering action, the pourable soap provides cleansing and foam production, and the electronic device provides sensory feedback (light, sound, vibration). This combination delivers a superior consumer experience while maintaining reliable cleansing effectiveness.
Solution Approach 2:
The cleansing article is designed with multi-functionality to enhance consumer experience. The electronic device can emit light, sound, and/or vibration depending on the mode selected, making the product adaptable to different user preferences and situations while providing consistent cleansing performance.
3Ease of operation
If an electronic device is embedded in the personal care product, then it enhances consumer experience, but it increases device complexity
Solution Approach 1:
The electronic device is nested within a waterproof housing that is integrated into the water-absorbent substrate. This nesting approach consolidates multiple components (electronic device, housing, substrate, soap) into a single unified structure, managing complexity while maintaining enhanced consumer experience.
Solution Approach 2:
The patent describes embodiments where the entire cleansing article, including the electronic device, can be disposed of after use. This approach simplifies the design by eliminating the need for complex waterproofing and battery replacement mechanisms, as the entire unit is designed for single or limited use.
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 effectively produces foam in both hard and soft water, providing a superior cleansing experience for keratinized materials while incorporating active ingredients for skin and hair care, addressing the limitations of previous products.
Implementation Method 1
a flexible, three-dimensional water-absorbent substrate material
Implementation Method 2
a pourable soap impregnated into the water-absorbent material in an amount sufficient to produce foam
Implementation Method 3
one or more of a light-emitting device, a sound-emitting device, or an electro-mechanical vibrating device
Implementation Method 4
one or more of a light-emitting device, a sound-emitting device, or an electro-mechanical vibrating device
Implementation Method 5
one or more of a light-emitting device, a sound-emitting device, or an electro-mechanical vibrating device
Data Source
AI summary
A single- or multiple-use cleansing or personal care article comprising (i) a flexible, three-dimensional, water-absorbent substrate material comprising a cavity for accepting an electronic device within a waterproof housing, wherein the water-absorbent substrate is comprised of a web of substantially water-insoluble fibers and (ii) an electronic device within a waterproof housing comprised of one or more of a light-emitting device, a sound-emitting device, or an electromechanical vibrating device or a waterproof metered dispenser and either or both of (iii) a pourable soap impregnated into the water-absorbent material in an amount sufficient to produce foam in water having a di- or trivalent cationic salts present at a concentration of at least about 120 mg/L and/or (iv) a solid anhydrous composition having a melting point of from about 450 C to about 550 C said anhydrous composition comprising a haircare or skincare active ingredient.