Calcium Sequestration Agents for Skin Pigmentation
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Solution Overview
Problem
Current treatments for skin pigmentation disorders, such as melasma and hyperpigmentation, are limited in efficacy and often cause skin irritation due to their focus on inhibiting only specific steps of melanin formation and reliance on irritating compounds.
Innovation Solution
Compositions containing calcium sequestration agents like sodium glycerophosphate, combined with other agents that modulate multiple steps of melanogenesis, are topically applied to reduce skin pigmentation without causing significant irritation, formulated as stable, cosmetically elegant products.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If conventional skin lightening compounds (hydroquinone, retinoids, etc.) are used to inhibit melanogenesis, then skin pigmentation is reduced, but skin irritation occurs
Solution Approach 1:
The invention changes the chemical parameter approach by using calcium sequestration agents (phosphates, phosphonates, carboxylic acids) instead of traditional melanogenesis inhibitors. This parameter change targets a different biochemical pathway (calcium-dependent steps in melanin formation) thereby achieving pigmentation reduction without the irritating side effects of conventional compounds like hydroquinone and retinoids
2Manufacturing precision
If multiple steps of melanogenesis are targeted with multiple compounds, then comprehensive pigmentation reduction is achieved, but formulation complexity increases
Solution Approach 1:
The invention applies universality by designing calcium sequestration agents that can simultaneously target multiple calcium-dependent steps in the melanogenesis pathway. A single phosphate or phosphonate compound can inhibit both tyrosinase activity and dopachrome tautomerase activity, reducing the need for multiple separate compounds while achieving comprehensive pigmentation reduction
Solution Approach 2:
The invention uses composite material strategy by formulating calcium sequestration agents in combination with other non-irritating skin care ingredients. The composite formulation includes phosphates/phosphonates combined with moisturizers, antioxidants, and other benign compounds that enhance stability and skin compatibility without adding significant formulation complexity
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 compositions effectively reduce skin pigmentation with minimal irritation, providing a more comprehensive approach to melanin formation inhibition and improved skin tolerability compared to existing treatments.
Implementation Method 1
compositions containing one or more calcium sequestration agents and methods for topical application to the skin to treat skin pigmentation disorders
Data Source
AI summary
The present invention provides compositions containing one or more calcium sequestration agents and methods for topical application of such compositions to the skin to treat skin pigmentation disorders, such as melasma, post-inflammatory hyperpigmentation, pigmentation changes due to skin aging, or any other skin conditions related with normal such as skin of color or abnormal pigmentation such as hypo- or hyper-pigmentation in humans.