Concentrated Shampoo Foam Bubble Size Control
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Solution Overview
Problem
Current shampoo products delivered as foams face challenges in achieving high consumer acceptance due to issues with visual appearance and effectiveness, as they often require high surfactant composition to provide adequate cleansing without leaving residue.
Innovation Solution
A concentrated shampoo dosage in foam form, with specific bubble size and density ranges (5 cm3 to 70 cm3, 0.5 g to 4 g of detersive surfactant, 0.001 g to 4 g of propellant, and 0.02 g/cm3 to 0.25 g/cm3 density, and 5 μm to 150 μm bubble size distribution, to enhance visual appeal and cleansing efficacy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If high surfactant composition is used in foam shampoo, then cleansing effectiveness is improved, but visual appearance and consumer acceptance deteriorate
Solution Approach 1:
The patent applies parameter changes by precisely controlling foam physical parameters including bubble size distribution (R32 from 5 μm to 150 μm), foam density (from 0.02 g/cm³ to 0.25 g/cm³), and foam volume (from 5 cm³ to 70 cm³) to achieve desirable visual appearance while maintaining cleansing effectiveness through optimized surfactant composition
2Reliability
If high surfactant composition is used in foam shampoo, then cleansing effectiveness is improved, but residue on hair worsens
Solution Approach 1:
The patent optimizes surfactant composition within specific ranges (0.5 g to 4 g of detersive surfactant by weight of the foam) and controls foam parameters to achieve effective cleansing while minimizing residue through proper foam structure and composition balance
3Quantity of substance
If foam density is increased, then cleansing concentration is improved, but visual appeal and consumer acceptance deteriorate
Solution Approach 1:
The patent maintains foam density within the range of 0.02 g/cm³ to 0.25 g/cm³ and controls bubble size distribution (R32 from 5 μm to 150 μm) to achieve light, airy visual appeal while delivering adequate cleansing concentration through optimized surfactant content and foam volume (5 cm³ to 70 cm³)
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 provides a high consumer acceptance rating by effectively cleansing hair without residue, improving the visual appeal and perceived product benefit through controlled foam characteristics.
Implementation Method 1
from about 0.001 g to about 4 g propellant by weight of the foam
Implementation Method 2
dosage of foam comprising from about 5 cm3 to about 70 cm3 of the foam wherein the foam comprises
Data Source
AI summary
Described herein is dosage of foam including from about 5 cm3 to about 70 cm3 of the foam. The foam includes from about 0.5 g to about 4 g of a detersive surfactant; from about 0.001 g to about 4 g propellant; a foam density of from about 0.02 g/cm3 to about 0.25 g/cm3; and a bubble size distribution having an R32 of from about 5 μm to about 150 μm.