Sheet Cosmetic Texture via Polysaccharide Mediator
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Solution Overview
Problem
Existing sheet-like cosmetics impregnated with 4-methoxysalicylic acid or its salts suffer from stickiness and friction issues, which are not adequately addressed by conventional methods, particularly when used as face masks.
Innovation Solution
Incorporating a water-soluble polysaccharide such as hyaluronic acid, acetylated hyaluronic acid, or xanthan gum, along with an oil component, alkyl-modified carboxyvinyl polymer, and hydroxyamine, into the cosmetic formulation for the non-woven fabric to improve texture and reduce stickiness and friction.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a cosmetic comprising 4-methoxysalicylic acid is directly applied on the skin, then the whitening effect is achieved, but stickiness and friction occur
Solution Approach 1:
The patent introduces water-soluble polysaccharides (such as hyaluronic acid, acetylated hyaluronic acid, or xanthan gum) as intermediary substances that mediate between the 4-methoxysalicylic acid and the skin. These polysaccharides form a protective matrix that reduces direct contact between the active ingredient and skin surfaces, thereby minimizing stickiness and friction while maintaining the whitening effect.
Solution Approach 2:
The patent creates a composite cosmetic formulation by combining 4-methoxysalicylic acid with water-soluble polysaccharides and optionally oil components. This composite structure allows the cosmetic to achieve both the desired whitening effect and improved texture, as the polysaccharides modify the physical properties of the cosmetic composition.
2Object-generated harmful factors
If a small amount of oil component is added to suppress stickiness and friction, then some improvement is achieved, but the suppression is not sufficient and texture is limited
Solution Approach 1:
The patent changes the formulation parameters by incorporating water-soluble polysaccharides at specific concentrations (0.01-5.0 wt%, preferably 0.05-2.0 wt%) to fundamentally alter the texture properties. This approach provides more effective and versatile texture improvement compared to relying solely on small amounts of oil components.
3Ease of operation
If a sheet-like cosmetic is produced by impregnating non-woven fabric with cosmetic comprising 4-methoxysalicylic acid, then the cosmetic can be applied as face mask, but stickiness and friction problems persist
Solution Approach 1:
The patent incorporates water-soluble polysaccharides as intermediary substances in the sheet-like cosmetic formulation. These polysaccharides act as mediators that reduce the stickiness and friction caused by 4-methoxysalicylic acid during face mask application, while still allowing the cosmetic to be effectively applied and removed as a sheet treatment.
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 addition of these components significantly enhances the texture of the sheet-like cosmetic, providing a superior user experience by minimizing stickiness and friction, and improving freshness and moisture retention.
Implementation Method 1
adding a water soluble polysaccharide to the sheet-like cosmetic results in the superior effect of reducing the stickiness and the friction due to 4-methoxysalicylic acid
Implementation Method 2
the stickiness and the friction are suppressed by adding a small amount of an oil component (0.01-3 wt%) to a liquid cosmetic comprising an alkoxysalicylic acid derivative
Implementation Method 3
an external preparation comprising 4-methoxysalicylic acid and alkyl-modified carboxyvinyl polymer
Data Source
AI summary
The present invention is a sheet-like cosmetic produced by impregnating a non-woven fabric with a cosmetic comprising (A) 4-methoxysalicylic acid or a salt thereof and (B) a water soluble polysaccharide. It also provides a sheet-like cosmetic that additionally comprises (C) an oil component, (D) an alkyl-modified carboxyvinyl polymer, (E) a water soluble polymer other than said (B) and (D), and (F) hydroxylamine or a derivative thereof. The object of the present invention is to improve the texture upon use, such as the stickiness and the friction, of a sheet-like cosmetic produced by impregnating a non-woven fabric with a cosmetic comprising 4-methoxysalicylic acid or a salt thereof.