Cosmetic Composition for Keratin Fibers Ammonia Odor Control
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Solution Overview
Problem
Cosmetic compositions for keratin fibers, such as hair, that contain alkaline agents like ammonia often suffer from strong odors, and existing methods to reduce these odors, like using monoethanolamine, compromise the performance of hair treatments by affecting hair lifting and coloring capabilities.
Innovation Solution
A cosmetic composition combining phosphoric surfactants, non-ionic surfactants, polyols, oils, and an alkaline agent like ammonia, which traps the alkaline agent, reducing its evaporation and maintaining the performance of hair treatments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If ammonia is used as an alkaline agent in cosmetic compositions for keratin fibers, then the safety and performance of hair treatments are improved, but the offensive odor increases
Solution Approach 1:
The patent introduces an odor-neutralizing agent as an intermediary substance that specifically counteracts the offensive ammonia odor without interfering with the chemical reactions necessary for hair treatment performance. This mediator allows the beneficial effects of ammonia to be retained while eliminating its harmful olfactory impact.
Solution Approach 2:
The patent modifies the chemical composition parameters by adding specific odor-neutralizing agents that change the overall odor profile of the composition. This parameter change enables the maintenance of ammonia at effective concentrations for hair treatment while transforming the harmful odor characteristic into an acceptable or neutral odor state.
2Object-generated harmful factors
If monoethanolamine is used to replace ammonia to reduce odor, then the offensive odor is reduced, but the hair lifting and coloring performance deteriorates
Solution Approach 1:
The patent combines the use of ammonia (for optimal hair treatment performance) with odor-neutralizing agents (for odor control) in a single composition. This merging allows the system to simultaneously achieve both high performance and acceptable odor characteristics, avoiding the need to choose between the two alternatives.
Solution Approach 2:
The odor-neutralizing agent acts as an intermediary that decouples the relationship between alkaline agent concentration and odor intensity. This mediator allows ammonia to be present at high concentrations for performance while the intermediary substance specifically targets and neutralizes the odor without affecting the chemical functionality.
3Object-generated harmful factors
If the amount of ammonia is reduced to decrease odor, then the offensive odor is reduced, but the cosmetic performance for keratin fibers deteriorates
Solution Approach 1:
The patent introduces an odor-neutralizing agent as a decoupling intermediary that separates the odor-generating function from the performance-generating function. This allows ammonia to be maintained at concentrations necessary for effective hair treatment while the intermediary substance specifically addresses the odor issue without requiring any compromise in performance.
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 composition effectively reduces ammonia odor while maintaining the performance of hair treatments, allowing for adequate alkaline agent usage without impairing hair lifting or coloring.
Implementation Method 1
combining at least one phosphoric surfactant, at least one non-ionic surfactant, at least one polyol, at least one oil, and at least one alkaline agent in the cosmetic composition
Implementation Method 2
at least one phosphoric surfactant; at least one non-ionic surfactant
Data Source
AI summary
The present invention relates to a cosmetic composition for keratin fibers, such as a composition for coloring hair or a composition for reshaping hair, comprising: (a) at least one phosphoric surfactant; (b) at least one non-ionic surfactant, (c) at least one polyol; (d) at least one oil; and (e) at least one alkaline agent. It is preferable that the cosmetic composition further comprises at least one higher alcohol. The present invention is useful because it does not generate odor while maintaining a level of cosmetic performance as comparable to that of conventional cosmetic compositions.