Yuzu Seed and Brown Rice Extract Composition for Sensitive Skin
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Solution Overview
Problem
Current cosmetics often cause inflammation in individuals with sensitive skin, particularly those with atopic dermatitis, making it difficult to find safe and effective skincare products for such consumers.
Innovation Solution
A composition combining an aqueous solvent extract of yuzu seeds and an aqueous solvent extract of brown rice, which can be used as a moisturizing agent to treat or alleviate skin problems like atopic dermatitis, dryness, itching, acne, and wrinkling without causing further inflammation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If commonly formulated cosmetics are used, then cosmetic functionality is provided, but skin inflammation occurs in sensitive skin consumers
Solution Approach 1:
The patent combines yuzu seed extract and brown rice extract in a composition to achieve synergistic effects. This merging of two natural extracts creates a cosmetic formulation that is both effective and safe for sensitive skin, resolving the contradiction between cosmetic functionality and skin safety by using complementary natural ingredients that enhance each other's benefits while minimizing irritation.
Solution Approach 2:
The patent specifies precise concentration ranges for yuzu seed extract (0.01-10% by weight) and brown rice extract (0.01-10% by weight) to optimize safety and effectiveness. By carefully controlling these parameters, the formulation achieves cosmetic functionality while preventing skin inflammation in sensitive skin consumers, demonstrating how parameter optimization resolves the safety-effectiveness contradiction.
2Reliability
If plant-derived ingredients like yuzu seed extract are used, then cosmetic effectiveness is improved, but skin inflammation still occurs in some sensitive skin cases
Solution Approach 1:
The patent creates a composite cosmetic formulation by combining yuzu seed extract and brown rice extract in specific proportions. This composite approach leverages the complementary properties of both natural extracts to achieve cosmetic effectiveness while reducing the inflammatory potential of individual ingredients, thus resolving the contradiction between effectiveness and safety for sensitive skin.
Solution Approach 2:
The brown rice extract acts as a mediating ingredient that enhances the safety profile of the yuzu seed extract. By introducing this intermediary natural extract with soothing properties, the formulation maintains cosmetic effectiveness while mitigating the inflammatory effects that some sensitive skin consumers experience with yuzu seed extract alone.
3Reliability
If γ-aminobutyric acid-enriched rice fermented by yeast is used, then skin benefits are provided, but inflammation occurs in sensitive skin consumers
Solution Approach 1:
The patent extracts beneficial components from brown rice through aqueous extraction methods, obtaining brown rice extract that provides skin benefits without the inflammatory effects associated with yeast-fermented products. This extraction approach isolates the beneficial properties while removing or reducing the inflammatory triggers, resolving the contradiction between skin benefit and safety for sensitive skin.
Data Source
AI summary
The present invention relates to a composition comprising an aqueous solvent extract of yuzu seeds and an aqueous solvent extract of brown rice; and a method for treating or suppressing various symptoms of skin problems and allergic skin diseases including atopic dermatitis using the composition.