Gel Composition for Skin Color Improvement
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Solution Overview
Problem
Existing sheet-shaped external preparations are ineffective in improving skin color, particularly for skin color defects like dark circles around the eyes.
Innovation Solution
A gel composition combining tocopherol phosphoric acid esters or their salts, carrageenan, locust bean gum, agar or glucomannan, and water, with optional xanthan gum and potassium salts, optimized for adhesion and skin penetration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If sheet-shaped external preparations containing shirasu, hot spring water, or conventional ingredients are used, then moisturizing effect, nutritional effect, and wrinkle ameliorating effect are improved, but effectiveness for improving skin color of skin color defects including dark circles around the eyes deteriorates
Solution Approach 1:
The patent changes the chemical composition parameters by introducing tocopherol phosphoric acid esters and salts (vitamin E derivatives) in specific concentrations (0.1-10% by mass), combined with specific gum ratios, to transform the product from being effective for general skin care to being specifically effective for improving skin color defects including dark circles
Solution Approach 2:
The patent creates a composite gel composition by combining tocopherol phosphoric acid esters/salts with multiple gum types (carrageenan, locust bean gum, agar, glucomannan) in specific ratios, forming a new material system that achieves both adhesion to skin and penetration for skin color improvement
2Reliability
If gel composition contains tocopherol phosphoric acid esters and multiple gums in optimized ratios, then adhesion to skin and skin color improvement effect are improved, but formulation complexity increases
Solution Approach 1:
The patent establishes specific parameter ranges for each ingredient (tocopherol phosphoric acid esters: 0.1-10%, carrageenan: 0.5-1.0%, locust bean gum: 0.3-0.9%, agar/glucomannan: 0.05-0.5%) to achieve optimal adhesion and skin color improvement while maintaining manageable formulation complexity through standardized ratios
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 gel composition provides excellent skin adhesion and effectively improves skin color defects, particularly dark circles around the eyes, while maintaining durability and a comfortable application experience.
Implementation Method 1
a gel composition including: (a) at least one selected from tocopherol phosphoric acid esters and salts thereof; (b) carrageenan; (c) locust bean gum; (d) at least one selected from agar and glucomannan; and (e) water
Data Source
AI summary
A gel composition containing (a) at least one selected from tocopherol phosphoric acid esters and salts thereof; (b) carrageenan; (c) locust bean gum; (d) at least one selected from agar and glucomannan; and e) water.