Antidandruff Composition Synergistic Itaconic Benzoic Acid
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Solution Overview
Problem
Current anti-dandruff compositions do not effectively combine actives to provide synergistic benefits equal to or better than existing formulations, and there is a need for new antimicrobial compositions that combat dandruff-causing microorganisms.
Innovation Solution
A composition comprising itaconic acid or its ester and benzoic acid or its salt, in specific weight ratios, combined with a cosmetically acceptable carrier and surfactants, is used to create a shampoo or hair conditioner that effectively combats dandruff by providing synergistic antifungal efficacy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional anti-dandruff agents (zinc pyrithione, octopirox, azole antimicrobials) are used alone, then they provide antifungal activity against Malassezia yeasts, but they do not provide synergistic benefits and their efficacy is limited
Solution Approach 1:
The patent combines itaconic acid and benzoic acid in a specific weight ratio range (1:4 to 4:1) to create a synergistic antimicrobial composition. This merging of two distinct antifungal agents produces an enhanced effect that exceeds the sum of their individual activities against Malassezia yeasts, directly resolving the limitation of using single agents alone.
Solution Approach 2:
The invention creates a composite antimicrobial system by formulating itaconic acid and benzoic acid together in optimized proportions. This composite approach allows the two components to work synergistically, providing superior and more reliable antifungal efficacy compared to traditional single-agent formulations.
2Reliability
If new active combinations are developed to provide synergistic benefits, then enhanced antifungal efficacy is achieved, but the formulation complexity increases
Solution Approach 1:
The patent optimizes the weight ratio parameters of itaconic acid to benzoic acid (specifically 1:4 to 4:1) to achieve synergistic efficacy. By carefully controlling these compositional parameters, the formulation achieves enhanced antifungal activity while maintaining a relatively simple two-component structure, thus balancing efficacy with formulation simplicity.
3Reliability
If itaconic acid and benzoic acid are combined in specific ratios, then synergistic antifungal activity is achieved, but precise manufacturing control is required
Solution Approach 1:
The patent defines a specific weight ratio range (1:4 to 4:1) for itaconic acid to benzoic acid that ensures synergistic antifungal activity. This parameter specification provides clear manufacturing guidelines that balance the need for precise ratio control with the practical requirements of production, ensuring consistent efficacy while allowing for reasonable manufacturing tolerances.
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 of itaconic acid and benzoic acid or its salt in the composition demonstrates synergistic antifungal activity, effectively reducing dandruff-causing microorganisms, as evidenced by the fractional inhibitory concentration (ΣFIC) values, indicating enhanced antifungal efficacy compared to individual components.
Implementation Method 1
The combination of itaconic acid and benzoic acid or a salt thereof in the composition demonstrates synergistic antifungal activity, effectively reducing dandruff-causing microorganisms
Data Source
AI summary
Disclosed is an antidandruff composition comprising synergistic combination of itaconic acid or an ester thereof and a benzoic acid or a salt thereof in specific ratio ranges. The composition may be used for personal cleansing and is especially preferred to be delivered as a shampoo or hair conditioner.