Shikimic Acid Biocomplex Stability for Hormonal Acne Control

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Solution Overview

Problem

Current acne treatments primarily target visible symptoms without addressing the root cause, namely the increased expression and activity of 5α-reductase type I during hormonal stress, leading to side effects and limited efficacy.

Innovation Solution

A biocomplex comprising shikimic acid and Prunus Mume fruit extract, in specific mass ratios, is formulated to epigenetically modulate 5α-reductase type I activity in skin cells, providing enhanced stability and solubility, thereby reducing its expression and activity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional acne treatments are used to target visible symptoms, then acne symptoms are reduced, but the root cause (increased 5α-reductase type I activity during hormonal stress) is not addressed, leading to limited efficacy and side effects

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

Solution Approach 1:

The composition applies preliminary action by epigenetically modulating 5α-reductase type I expression before it can convert testosterone to dihydrotestosterone and trigger acne. The plant-based compounds (shikimic acid, polyphenols, flavonoids) act upstream on the enzyme expression rather than downstream on acne symptoms, preventing the harmful cascade before it begins.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The composition uses plant-based compounds as intermediaries to indirectly regulate 5α-reductase type I activity. Rather than directly inhibiting the enzyme (which would be a harsh approach), the natural compounds epigenetically modulate its expression, providing a gentler mediation that reduces side effects while maintaining efficacy.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If shikimic acid is used to manage hormonal skin stress, then 5α-reductase type I expression is reduced, but shikimic acid has limited solubility and stability in cosmetic formulations

Engineering Contradiction:
ImprovestabilityVSAvoidsolubility
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The composition creates a composite material by combining shikimic acid with Prunus Mume extract (containing polyphenols and flavonoids) and other compatible cosmetic ingredients. This composite approach allows the compounds to work synergistically while improving solubility and stability through molecular interactions between the different plant-based components.

Inventive Principle:
Principle #40Composite materials

Solution Approach 2:

The composition addresses solubility and stability by optimizing concentration parameters and pH conditions. The patent specifies shikimic acid at 0.1-10% and Prunus Mume extract at 0.1-10%, with pH maintained at 3-6, creating optimal parameters for both efficacy and formulation stability.

Inventive Principle:
Principle #35Parameter changes

3Adaptability or versatility

If the composition is applied topically to manage hormonal skin stress, then 5α-reductase type I activity is modulated, but the composition must maintain stability and solubility in various cosmetic product types

Engineering Contradiction:
Improveapplication rangeVSAvoidformulation stability
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The composition achieves universality by being designed for multiple cosmetic application types (cleansers, lotions, serums, masks, creams, shampoos, conditioners). The plant-based formulation with controlled pH (3-6) and ingredient concentrations makes it adaptable across different product categories while maintaining formulation stability through the synergistic combination of compatible natural ingredients.

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

Data Source

PatentEP4710912A1Plant-based composition containing shikimic acid with enhanced stability in biopharmaceutical forms for selective management of hormonal skin stress
Publication Date: 2026.03.18 SKYLAB AG
  • EP4710912A1 patent drawingFigure 1~2
  • EP4710912A1 patent drawingFigure 3
  • EP4710912A1 patent drawingFigure 4

AI summary

The invention relates to a composition comprising shikimic acid and an extract of Prunus Mume, and its non-medical and medical use, in particular for use in the treatment of acne.