Chromanol and Anionic Polymer Skin Barrier Composition
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Solution Overview
Problem
Current products fail to effectively protect the skin against the adverse effects of pollution, including air and water pollutants, which can lead to premature aging, oxidative damage, and other skin issues such as inflammation and acne.
Innovation Solution
A composition combining a compound like 2,2-dimethyl chromene or 2,2-dimethyl chromane with an anionic polymer, specifically a copolymer of acrylic acid or methacrylic acid and 2-acrylamido-2-methylpropane sulfonic acid, is used to provide synergistic protection against pollution-induced skin damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional single-ingredient products are used, then the product simplicity is maintained, but the effectiveness against multiple pollution-induced skin damages is insufficient
Solution Approach 1:
The patent combines two distinct active ingredients - a chromanol compound (antioxidant) and an anionic polymer (barrier-forming agent) - into a single cosmetic composition. This merging allows the product to simultaneously address multiple pollution-induced skin damages through synergistic action, resolving the contradiction between product simplicity and effectiveness against complex pollution effects.
Solution Approach 2:
The invention uses a composite formulation comprising both chromanol and anionic polymer components, each contributing different functional properties. The chromanol provides antioxidant protection while the anionic polymer forms a protective barrier and enhances hydration. This composite approach enables the product to combat multiple pollution effects (oxidative stress, inflammation, barrier disruption) that a single ingredient could not address effectively.
2Object-affected harmful factors
If the skin barrier function is compromised by pollutants, then pollutant penetration increases, but this leads to over-absorption of harmful substances
Solution Approach 1:
The anionic polymer in the composition acts preemptively to form a protective barrier on the skin surface before pollutants can penetrate. This preliminary barrier formation prevents the initial compromise of skin barrier function, thereby stopping the cascade of increased pollutant penetration and subsequent over-absorption of harmful substances. The barrier is established in advance to counteract the harmful effect before it occurs.
Solution Approach 2:
The composition provides a cushioning protective layer through the anionic polymer that absorbs and mitigates the impact of pollutants before they can directly contact and damage the skin barrier. This beforehand cushioning reduces the severity of barrier compromise and prevents the chain reaction of increased penetration and over-absorption of toxic substances.
3Object-affected harmful factors
If antioxidant capacity is increased to combat oxidative stress, then protection against oxidative damage improves, but the ability to address other pollution effects may be compromised
Solution Approach 1:
The chromanol compound serves multiple functions: it acts as a potent antioxidant to combat oxidative stress from pollutants, while also providing anti-inflammatory protection and supporting skin barrier function. This multi-functionality allows the single ingredient to address multiple pollution effects simultaneously, maintaining versatility while enhancing oxidative damage protection.
Solution Approach 2:
The composite formulation combines chromanol (providing antioxidant, anti-inflammatory, and barrier-supporting functions) with anionic polymer (providing barrier formation and hydration). This composite approach ensures that while oxidative damage protection is enhanced through the chromanol, the overall versatility against multiple pollution effects is maintained and even amplified through the complementary actions of both ingredients.
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 combination effectively alleviates and prevents multiple adverse effects of pollution on the skin, including premature aging, oxidative stress, and inflammation, by enhancing the skin's barrier function and antioxidant capacity.
Implementation Method 1
The stratum corneum and tight junctions (a type of intercellular junction) in the epidermis function as a permeation barrier against the penetration of molecules
Implementation Method 2
Reactive oxygen species production can overwhelm the skin' defenses by quickly depleting the enzymatic (glutathione peroxidase, glutathione reductae, superoxide dismutase, catalase) and non-enyzmatic (vitamin E, vitamin C and glutathione) anitoxidant capacity
Data Source
AI summary
A combination of a compound (I) of formula (A) or (B); wherein R1 and R2 are identical or different and are independently selected from the group consisting of -OH, -CH3, CF3CH2O- and CH3O-; and an anionic polymer (II) which is a copolymer of acrylic acid or methacrylic acid and 2-methacrylamido- 2-propane sulfonic acid or 2-acrylamido-2-propane sulfonic acid, useful in the cosmetic non-therapeutic treatment of the adverse effects of air pollution on the skin, mucous membranes, hair and/or nails. Compositions comprising this combination are also disclosed.