Peel-off Eyebrow Coloring Composition Using Oxidative Dyes
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Solution Overview
Problem
Existing eyebrow coloring compositions fail to provide long-lasting, high-quality tinting power and color staying power while being easy to use and non-irritating, with many temporary solutions lacking in retention and causing skin irritation.
Innovation Solution
A peel-off type eyebrow coloring composition using a double liquid crystal coating method with polyvinyl alcohol, polyvinyl pyrrolidone, dihydroxy acetone, and other ingredients to form an elastic coating film that penetrates deep into the skin, dries quickly, and maintains color for an extended period without irritation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a temporary eyebrow tint is used to provide easy application, then ease of operation is improved, but color staying power deteriorates
Solution Approach 1:
The patent changes the chemical parameters of the coloring composition by using oxidative dyes (henna, indigo, black tea extract, coffee extract) that undergo chemical reactions with the hair and skin, transforming temporary surface coloring into semi-permanent penetration that lasts through the growth cycle, thereby resolving the contradiction between ease of application and color staying power
Solution Approach 2:
The patent creates a composite coloring system combining multiple natural dyes (henna, indigo, black tea, coffee) with oxidizing agents, where the synergistic interaction of these components enables both easy application as a cosmetic preparation and long-lasting color that persists through the eyebrow growth cycle
2Duration of action of stationary object
If an eyebrow tattoo is used to achieve long-lasting color, then color staying power is improved, but device complexity and difficulty of modification worsen
Solution Approach 1:
The patent employs a disposable cosmetic preparation that can be easily applied and removed, replacing the permanent tattoo procedure. The coloring composition is designed to last through the eyebrow growth cycle (providing semi-permanent results) but can be easily removed or allowed to fade, avoiding the complexity and irreversibility of tattoo procedures while maintaining long-lasting color
Solution Approach 2:
The patent changes the permanence parameter from permanent (tattoo) to semi-permanent (growth-cycle lasting), using oxidative dyes that penetrate and bind to hair and skin but can still be removed or faded, thereby reducing procedure complexity while maintaining extended color staying power
3Duration of action of stationary object
If a conventional eyebrow pencil with oil-soluble film-forming agent is used to enhance retention, then duration of action is improved, but tinting power deteriorates
Solution Approach 1:
The patent fundamentally changes the mechanism from surface film-forming to deep penetration and binding, using oxidative dyes that chemically interact with the hair and skin structure. This parameter change enables both strong tinting power (through deep penetration) and extended retention (through chemical bonding that lasts through the growth cycle)
Solution Approach 2:
The patent uses a composite of multiple natural oxidative dyes (henna, indigo, black tea extract, coffee extract) that work synergistically to provide both intense tinting power through deep penetration and extended retention through chemical binding to hair and skin proteins
4Manufacturing precision
If a coloring composition that penetrates deep into the skin is used to improve tinting power, then tinting power is improved, but skin irritation worsens
Solution Approach 1:
The patent changes the chemical composition parameters by using natural oxidative dyes (henna, indigo, black tea, coffee) that are inherently gentler on the skin compared to synthetic dyes. These natural compounds penetrate deeply for strong tinting power while being less irritating, thus resolving the contradiction between tinting power and skin irritation
Solution Approach 2:
The patent converts the potential harm of deep penetration (which could cause irritation) into a benefit by using natural compounds that penetrate deeply for strong tinting power while being biocompatible and less irritating, effectively converting the risk of deep penetration into an advantage of enhanced performance with reduced side effects
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 long-lasting tinting for 3 to 5 days with a single application, retains shape and color quality, and exfoliates dead cells, providing a natural look without smudging or washing away, while being easy to apply and remove.
Implementation Method 1
forms an elastic coating film in the eyebrow region
Implementation Method 2
penetrates deep into the skin as well as on the surface of the skin
Implementation Method 3
dries fast
Implementation Method 4
has an effect to exfoliate dead cells from eyebrows
Data Source
Figure 1(A)~3(B)
AI summary
The present invention relates to a peel-off type eyebrow coloring composition and its manufacturing method. The composition of the present invention penetrates deep into the skin as well as on the surface of the skin to provide good tinting power, forms an elastic coating film in the eyebrow region, causes no skin irritation, dries very fast to provide convenience of use, offers good color staying power, causing no change of the initial color with an elapse of time, and retains the shape of eyebrow with high quality of color light for a long time. In addition, the eyebrow make-up using the peel-off type eyebrow coloring composition creates a natural look of eyebrow almost without being washed away or smudged with water or sweat. Further, the composition of the present invention has a merit to exfoliate in the eyebrow region.