Polyol Esters as Binders in Powder Cosmetics
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Solution Overview
Problem
Cosmetic compositions face challenges in finding ingredients with low environmental impact, renewable origin, and excellent functional and sensory properties, particularly in powder-based products where traditional binders like oils and silicones are not ideal.
Innovation Solution
The use of neopentyl glycol dipelargonate, glycerol tripelargonate, and pentaerythritol tetrapelargonate esters, derived from renewable sources, as a binding component in cosmetic compositions, which provide flow, film-forming, and binding properties, allowing for a non-unctuous film and improved spreadability, potentially replacing traditional binders.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional binders like oils and silicones are used in powder-based cosmetic compositions, then good binding and film-forming properties are achieved, but environmental impact increases and renewable origin is lost
Solution Approach 1:
The patent changes the chemical parameters of the binding component by using polyol esters (neopentyl glycol dipelargonate, glycerol tripelargonate, pentaerythritol tetrapelargonate) instead of traditional oils and silicones. These esters maintain the necessary binding and film-forming properties while being derived from renewable sources with lower environmental impact, thus resolving the contradiction between performance reliability and environmental harm.
Solution Approach 2:
The patent employs biodegradable polyol esters that can be easily degraded in the environment, replacing persistent traditional binders. These ester-based binding components provide sufficient functionality for cosmetic use but decompose more readily, reducing long-term environmental accumulation and harm while maintaining effective performance during product use.
2Object-affected harmful factors
If polyol esters from renewable sources are used as binding components, then environmental impact is reduced, but achieving excellent functional and sensory properties becomes more difficult
Solution Approach 1:
The patent uses composite ester formulations combining multiple polyol esters (neopentyl glycol dipelargonate, glycerol tripelargonate, pentaerythritol tetrapelargonate) to achieve synergistic effects. This composite approach allows the binding component to exhibit both excellent functional properties (binding, film-forming, spreadability) and sensory properties (non-greasy feel, comfort) while maintaining renewable origin and low environmental impact.
Solution Approach 2:
The patent optimizes the molecular structure and composition parameters of the polyol esters to enhance their functional performance. By selecting specific polyols and fatty acid combinations, the esters achieve appropriate viscosity, film-forming capacity, and sensory characteristics comparable to or exceeding traditional binders, thus resolving the difficulty in achieving excellent functional and sensory properties from renewable sources.
3Ease of operation
If esters are used as binding components replacing oils and silicones, then non-unctuous film and improved spreadability are achieved, but formulation complexity increases
Solution Approach 1:
The patent employs polyol esters that perform multiple functions simultaneously: binding powders together, forming flexible films, providing spreadability, and delivering non-greasy sensory properties. This multi-functionality reduces the need for separate ingredients and simplifies the overall formulation despite the specialized nature of the ester components, as a single binding component achieves what traditionally required multiple additives.
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
These esters create a comfortable, non-greasy film with excellent spreadability and dispersion properties for pigments and sun filters, enhancing the sensory experience and performance of cosmetic products while reducing the need for metal catalysts and simplifying processing.
Implementation Method 1
neopentyl glycol dipelargonate forms a light film and has a dry effect, glycerol tripelargonate forms a light film having excellent spreadability
Implementation Method 2
have flow, film-forming and binding properties to powders and are particularly suitable for use as ingredients of the binding component
Implementation Method 3
pentaerythritol tetrapelargonate forms a richer film and has excellent properties for the dispersion of colouring agents
Data Source
AI summary
Cosmetic composition comprising at least 35% by weight of a powder component and a binding component characterized in that it comprises at least one ester selected from neopentylglycol dipelargonate, glycerol tripelargonate, pentaerythritol tetrapelargonate and mixtures thereof.