Plant Extracts for Hyperpigmentation Reduction

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Solution Overview

Problem

Conventional skin lightening agents, such as hydroquinone and kojic acid, pose safety concerns and are often ineffective for significant hyperpigmentation, while natural-based combinations often require multiple ingredients and may irritate the skin or have prolonged recovery periods.

Innovation Solution

The use of plant-based extracts like Schinus terebinthifolius seed extract, Ptychopetalum olacoides bark/stem extract, Pfaffia paniculata root extract, Trichilia catigua extract, and Undaria pinnatifida extract, either individually or in combination, to reduce melanin production and even out skin tone, avoiding the need for harsh chemicals.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional depigmenting agents (hydroquinone, corticosteroids, kojic acid) are used, then skin lightening effect is achieved, but safety concerns arise (ochronosis, atrophy, carcinogenesis, local or systemic side effects)

Engineering Contradiction:
ImprovesafetyVSAvoidside effects
Core Design Contradiction:
ReliabilityVSObject-generated harmful factors

Solution Approach 1:

The patent replaces conventional chemical agents with plant-based extracts that are naturally degradable and less persistent in the body, reducing long-term safety concerns. The use of natural extracts like Schinus terebinthifolius seed extract and Ptychopetalum olacoides bark extract provides effective skin lightening without the carcinogenic and atrophic side effects associated with hydroquinone and corticosteroids.

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

Solution Approach 2:

The patent combines multiple plant-based extracts in specific formulations to achieve synergistic effects. The composite formulation includes Schinus terebinthifolius seed extract, Ptychopetalum olacoides bark extract, Pfaffia paniculata root extract, Trichilia catigua extract, and Undaria pinnatifida extract, each contributing different mechanisms of action to reduce melanin production while minimizing side effects.

Inventive Principle:
Principle #40Composite materials

2Reliability

If single natural-based ingredients are used, then safety is improved, but efficacy is insufficient for significant hyperpigmentation

Engineering Contradiction:
ImprovesafetyVSAvoidefficacy
Core Design Contradiction:
ReliabilityVSProductivity

Solution Approach 1:

The patent merges multiple plant-based extracts into a unified formulation to achieve cumulative and synergistic effects. By combining Schinus terebinthifolius seed extract (inhibits tyrosinase), Ptychopetalum olacoides bark extract (reduces melanin synthesis), Pfaffia paniculata root extract (anti-inflammatory), Trichilia catigua extract (inhibits melanogenesis), and Undaria pinnatifida extract (reduces pigmentation), the formulation achieves efficacy comparable to conventional agents while maintaining safety.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent creates a composite material system where multiple plant extracts work together through different mechanisms. The composite formulation addresses various stages of melanin production and inflammation, providing comprehensive treatment for significant hyperpigmentation that single ingredients cannot achieve alone.

Inventive Principle:
Principle #40Composite materials

3Productivity

If multiple natural-based ingredients are combined, then efficacy is improved, but device complexity increases

Engineering Contradiction:
ImproveefficacyVSAvoidformulation complexity
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The patent designs a universal formulation platform that can treat various types of hyperpigmentation (melasma, post-inflammatory hyperpigmentation, age spots) using the same core combination of plant extracts. The multi-functional formulation addresses melanin inhibition, anti-inflammatory effects, and skin barrier protection simultaneously, reducing the need for multiple separate products.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent merges multiple functional ingredients into a single integrated formulation, consolidating what would otherwise require multiple separate products. The combination of Schinus terebinthifolius seed extract, Ptychopetalum olacoides bark extract, Pfaffia paniculata root extract, Trichilia catigua extract, and Undaria pinnatifida extract creates a unified treatment system that simplifies the consumer regimen while maintaining high efficacy.

Inventive Principle:
Principle #5Merging (Combining)

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

These extracts effectively reduce hyperpigmentation and melanin production, providing a safer and more effective alternative for skin lightening and tone evening without the side effects associated with traditional agents.

Implementation Method 1

Melanin is synthesized by a reaction cascade triggered by the enzyme tyrosinase where tyrosine is converted into melanin. Over production of melanin can result in hyperigmented skin... These extracts effectively reduce hyperpigmentation and melanin production

Methodology Applied
Scientific EffectEnzyme inhibition: Enzyme

Data Source

PatentUS11883523B2Plant extracts to reduce the appearance of hyperpigmented skin or to lighten skin
Publication Date: 2024.01.30 MARY KAY INC

AI summary

A method for reducing the appearance of hyperpigmented skin is disclosed. The method can include topically applying to hyperpigmented skin of a person a composition that includes at least one of, at least two of, or all three of (i) an effective amount of Schinus terebinthifolius seed extract, (ii) an effective amount of a mixture comprising Ptychopetalum olacoides bark/stem extract, Pfaffia paniculata root extract, and Trichilia catigua bark extract, and/or (iii) an effective amount of a mixture comprising Himanthalia elongata extract and Undaria pinnatifida extract. Topical application of the composition can reduce the appearance of the hyperpigmented skin.