Polyene-Silicone Color Cosmetic Composition for Long Wear Without Cracking
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Solution Overview
Problem
Existing color cosmetics, particularly lip products, tend to wear off quickly and crack due to the constant movement of keratinous surfaces, failing to provide long-lasting wear and comfort.
Innovation Solution
A cosmetic composition comprising polyene, amino-modified silicone, siloxysilicate resin, and nonvolatile silicone oil, which enhances the durability and comfort of color cosmetics by providing long wear resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Duration of action of moving object
If conventional color cosmetic formulations are used on mobile keratinous surfaces like lips, then the cosmetic provides initial color coverage, but it wears off quickly and shows cracking within hours
Solution Approach 1:
The patent employs a composite formulation combining multiple silicone-based polymers (amino-modified silicones, siloxysilicate resins, polyenes) with color pigments and carriers. This composite approach creates a unified cosmetic matrix that simultaneously provides flexibility to prevent cracking and durability for extended wear, resolving the contradiction between wear time and cracking resistance
Solution Approach 2:
The patent modifies the physical and chemical parameters of the cosmetic formulation by incorporating specific ratios of silicone oils, polymers, and crosslinking agents. These parameter changes alter the viscoelastic properties of the cosmetic, enabling it to maintain integrity on mobile surfaces like lips for extended periods without cracking or wearing off
2Duration of action of moving object
If the cosmetic formulation is made more durable for long wear, then wear time increases, but comfort and softness on the skin deteriorate
Solution Approach 1:
The patent creates different functional zones within the cosmetic formulation: silicone oils and amino-modified silicones provide softness and comfort on contact with the skin, while siloxysilicate resins and polyenes provide the durable film-forming matrix for long wear. Each component performs its specific function locally within the overall formulation, achieving both comfort and durability simultaneously
Data Source
AI summary
Cosmetic compositions in a cosmetically acceptable medium include: (a) at least one polyene; (b) at least one amino-modified silicone; (c) at least one siloxysilicate resin; and (d) at least one nonvolatile silicone oil. These cosmetic compositions exhibit long wear resistance and improve comfort.