Electrostatic Cosmetic Coating for Peel-Off Removal
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Solution Overview
Problem
Existing cosmetic coating methods require the use of cleansing agents for removal, which is inconvenient and can lead to makeup collapse and adhesion issues.
Innovation Solution
A method involving electrostatic spraying of a composition containing volatile substances and polymers onto the skin to form a coating, followed by application of a powder-containing cosmetic, allowing for easy removal without cleansing agents and improving cosmetic durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a powder-containing cosmetic is applied directly to the skin, then the cosmetic can be easily applied, but it requires cleansing agents for removal and may cause makeup collapse
Solution Approach 1:
A coating is formed on the skin surface before applying the powder-containing cosmetic. This preliminary coating layer serves as a base that enables easy removal of the cosmetic without cleansing agents, while preventing makeup collapse during wear.
2Reliability
If a coating is formed by electrostatic spraying to improve cosmetic durability, then makeup collapse is prevented, but the process becomes more complex
Solution Approach 1:
The traditional mechanical application method is replaced with electrostatic spraying technology. This substitution enables the formation of a uniform coating that enhances cosmetic durability and prevents makeup collapse, while the electrostatic field naturally ensures even distribution without complex mechanical controls.
3Reliability
If cleansing agents are used to remove cosmetic, then complete removal is achieved, but convenience is reduced and skin may be irritated
Solution Approach 1:
A coating layer is introduced as an intermediary between the skin and the powder-containing cosmetic. This intermediate layer enables easy removal without cleansing agents by allowing the cosmetic to be peeled off together with the coating, thereby maintaining removal completeness while greatly improving convenience and reducing skin irritation.
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 method enables easy peeling of the cosmetic coating without cleansing agents, enhances cosmetic durability, and prevents makeup collapse, while maintaining adhesivity to the skin.
Implementation Method 1
electrostatically spraying a composition comprising component (a) one or more volatile substances selected from the group consisting of water, an alcohol and a ketone and component (b) a polymer having a film forming ability directly onto the skin to form a coating on the skin surface
Implementation Method 2
component (a) one or more volatile substances selected from the group consisting of water, an alcohol and a ketone
Data Source
AI summary
Methods for producing a cosmetic coating on a skin surface, by: (A) electrostatically spraying a composition comprising component (a) one or more volatile substances selected from the group consisting of water, an alcohol and a ketone, and component (b) a polymer having a film-forming ability directly onto the skin to form a coating on the skin surface; and(B) subsequently applying a powder-containing cosmetic on the formed coating, afford cosmetic coatings which can be removed without using a cleansing agent.