Foam Composition Using Silicone Blend for Skin Sensory Benefits
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Solution Overview
Problem
Skin care products often suffer from negative sensory aspects such as tack, drag, and stickiness due to elevated polymer concentrations, which are not optimized for desired sensory benefits, and foam compositions lacking stability can also provide a poor experience.
Innovation Solution
A liquid foamable composition comprising 0.05-5% cationic or non-ionic surfactant, 1-10% fatty alcohol, and 10-50% silicone blend, combined with a propellant to form a foam with a density of 0.1-0.5 g/mL, providing a rich and creamy aesthetic while reducing negative sensory effects.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If polymers are used to manage rheological properties, then product stability is improved, but negative sensory aspects such as tack, drag, and stickiness increase
Solution Approach 1:
The patent removes polymers from the formulation entirely, extracting the source of negative sensory aspects while maintaining product stability through alternative means (surfactant-polypeptide complexes and foam structure).
Solution Approach 2:
The patent creates composite structures through surfactant-polypeptide complexes that provide both stability and positive sensory properties, replacing the function previously served by polymers without the associated drawbacks.
2Object-affected harmful factors
If foam composition lacks polymers, then negative sensory aspects are reduced, but stability decreases
Solution Approach 1:
The patent forms composite surfactant-polypeptide complexes that provide structural integrity and stability to the foam without requiring polymers, achieving both foam stability and positive sensory properties.
Solution Approach 2:
The patent changes the physical state and organizational parameters of the formulation by creating foamed structures with specific density ranges (0.05-0.5 g/mL) and using controlled foam expansion to achieve desired stability without polymer additives.
3Shape
If polymer concentration is elevated, then product thickness is improved, but absorption speed decreases
Solution Approach 1:
The patent utilizes phase transition from liquid to foam upon dispensing, creating an immediate volumetric expansion that provides thickness and body without requiring elevated polymer concentrations, thereby maintaining rapid absorption characteristics.
Solution Approach 2:
The patent incorporates gas (air) into the formulation to create foam structures, using pneumatic principles to achieve product thickness and richness through bubble formation rather than polymer thickening, enabling fast absorption while maintaining desired physical properties.
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 achieves robust stability and desired sensory benefits, offering a rich and creamy feel with rapid absorption, reducing tack and stickiness, and maintaining performance across humidity fluctuations.
Implementation Method 1
The liquid foamable composition and the propellant are dispensable from the package as a foam
Implementation Method 2
a surfactant selected from the group consisting of a cationic surfactant, a non-ionic surfactant and mixtures thereof
Implementation Method 3
foams can easily absorb into the skin as they can rapidly break down into fluids
Data Source
AI summary
A liquid foamable composition includes a cationic surfactant, a nonionic surfactant, or mixtures of these surfactants, a fatty alcohol, a silicone blend, and water. The silicone blend includes a silicone gel and a silicone powder. A foam composition, an aerosol product, and methods for improving sensory benefits to skin are also provided.