Polycafeoylquinic Acid Cosmetic Composition for Hydration and Barrier Function
Solution Overview
Problem
The skin, particularly the epidermis, faces challenges in maintaining hydration and barrier function due to daily stresses and imbalances in the skin microbiota, leading to dryness and vulnerability to dehydration.
Innovation Solution
A composition comprising poly-substituted quinic acid derivatives, specifically extracted from Arctium lappa, is prepared using a process involving cultivation, immersion in a solvent medium, and filtration to enhance skin hydration and barrier function.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If conventional moisturizing agents are used, then skin hydration is improved, but skin barrier function and protection against pathogens deteriorate
Solution Approach 1:
The patent uses a composite active ingredient system combining multiple poly-substituted quinic acid derivatives (including 1-O-(2-caffeoyl)maloyl-3,5-O-dicaffeoyl quinic acid and related compounds) to achieve both hydration and barrier protection simultaneously, rather than relying on single-function moisturizing agents
Solution Approach 2:
The patent optimizes the chemical structure parameters of the quinic acid derivatives by varying substitution patterns (mono-, di-, tri-substituted) and positions of caffeoyl and maloyl groups to simultaneously enhance hydrating activity and barrier reinforcement properties
2Reliability
If skin barrier function is strengthened, then protection against pathogens is improved, but hydration rate deteriorates
Solution Approach 1:
The patent modifies the chemical parameters of quinic acid derivatives by adjusting the type, number, and position of substituent groups (hydroxyl, caffeoyl, maloyl) to optimize the balance between barrier reinforcement and hydration maintenance
Solution Approach 2:
The formulation combines multiple quinic acid derivative compounds with different substitution patterns to create a synergistic effect where the collective action provides both robust barrier function and sustained hydration
3Reliability
If poly-substituted quinic acid derivatives are used, then skin health is improved, but manufacturing complexity increases
Solution Approach 1:
The patent extracts and isolates specific poly-substituted quinic acid derivatives from plant sources (such as Arctium lappa) using established extraction methodologies, thereby obtaining pure active ingredients without requiring complex synthetic procedures
Solution Approach 2:
The patent utilizes naturally occurring quinic acid derivatives found in plant materials as renewable, cost-effective alternatives to complex synthetic compounds, leveraging the plant's natural production of these beneficial molecules
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 effectively increases the hydration rate of the stratum corneum, strengthens the skin barrier, and prevents degradation caused by pathogens, thereby improving skin health and appearance.
Implementation Method 1
The composition effectively increases the hydration rate of the stratum corneum
Implementation Method 2
strengthens the skin barrier, and prevents degradation caused by pathogens
Data Source
AI summary
A composition (C1) comprising, for 100% of its weight: a) - 60.0% to 75.0% by weight of an organic solvent (SO1) chosen among 1,2-propanediol, 1,3-propanediol, 1,4-butanediol, 1,3-butanediol, 1,2-butanediol, 2-methyl-2,4-pentanediol, 1,6-hexanediol, 1,8-octanediol, or a mixture of these compounds; b) - 0.1% to 2.0% by weight of a composition (ES) comprising a quantity by weight x1, expressed as equivalent weight of the acid 1-O-(2-caffeoyl) maloyl-3,5-O-dicafeoyl quinic acid, and greater than or equal to 200 mg/g of at least one compound of general formula (I): where Q1, Q2, Q3, Q4 and Q5 represent, independently of each other, the hydroxyl radical or one of its salts or a radical chosen among the caffeoyl, maloyl, caffeoyl maloyl and maloyl caffeoyl radicals, it being understood that at least one of these radicals Q1, Q2, Q3, Q4 and Q5 represents neither the –OH radical nor one of its salts; and c) - 20.0% to 35.0% by weight of water. Use of the composition (C1) as a hydrating cosmetic active agent.