Substantive Conditioning Polymer Additive for Hair
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Solution Overview
Problem
Current conditioning systems for damaged hair and skin lose detangling properties and color longevity after washing with cleansing products, relying on eco-harmful cationic and amphoteric surfactants, and silicones that do not provide long-lasting benefits.
Innovation Solution
A personal care composition additive composed of substantive conditioning polymers, such as hydrophobically modified cationic polysaccharides based on a cellulosic or galactomannan backbone, which provides prolonged detangling, hydrophobicity, and color-lasting benefits when used in hair and skin care products, reducing the need for cationic and amphoteric surfactants and silicones.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If cationic and amphoteric surfactants and silicones are used in conditioning systems, then detangling properties and hydrophobicity are improved, but these properties are lost after shampooing and environmental harm increases
Solution Approach 1:
The patent changes the chemical parameters of conditioning agents by using substantive polymers with specific molecular weights, charge densities, and hydrophobicity levels. These polymers are designed to bind strongly to hair surfaces through electrostatic interactions while maintaining detangling properties, thereby extending the duration of conditioning effects beyond typical surfactant-based systems.
Solution Approach 2:
The invention employs composite polymer systems combining cationic, nonionic, and amphoteric components in specific ratios. This composite approach creates synergistic effects where the polymers provide both immediate conditioning and prolonged benefits, replacing the need for silicones and reducing environmental toxicity while maintaining detangling performance.
2Stability of the object's composition
If cationic and amphoteric surfactants and silicones are used in conditioning systems, then hydrophobicity is improved, but environmental toxicity increases
Solution Approach 1:
The patent extracts and eliminates harmful silicone components and ecotoxic surfactants from conditioning formulations. By replacing these with substantive polymers that have appropriate hydrophobic characteristics, the system maintains the desired hydrophobicity for detangling while removing the environmental toxins associated with traditional silicone-based conditioners.
Solution Approach 2:
The invention modifies the chemical composition parameters by substituting toxic surfactants and silicones with biodegradable polymer systems. These polymers are engineered to provide equivalent or superior hydrophobicity and conditioning effects while exhibiting reduced environmental toxicity and improved biodegradability.
3Ease of operation
If conventional conditioners are used on colored hair, then initial conditioning is provided, but color lasting performance deteriorates upon washing
Solution Approach 1:
The patent applies substantive polymers as a preliminary conditioning treatment that creates a protective layer on the hair surface before color deposition or during coloring processes. This pre-established polymer matrix helps anchor color molecules and reduces color leaching during subsequent shampooing, thereby extending color longevity while providing initial conditioning benefits.
Solution Approach 2:
The invention uses composite polymer systems that combine conditioning functionality with color-protection properties. These multi-functional polymers simultaneously provide detangling, moisture retention, and color fixation, allowing the hair to maintain both conditioned appearance and vibrant color for extended periods through multiple wash cycles.
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 additive maintains conditioning and color performance through multiple wash cycles, offering improved detangling, hydrophobicity, and moisturizing benefits while simplifying conditioner formulations and reducing environmental toxicity.
Implementation Method 1
Wet conditioning of damaged hair is accomplished by neutralizing the anionic charge of the hair by positively charged surfactants and polymer
Implementation Method 2
creating a hydrophobic layer from surfactant and polymers. This creates a reduction of the swelling of the hair fibers by making it more hydrophobic
Data Source
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AI summary
The present invention relates to a personal care composition additive for use on keratin substrates in order to provide long lasting benefits to the keratin substrate such as in conditioning systems, such as 2/1 shampoo's, leave-on and rinse off conditioners, for hair and skin, or for imparting greater water resistance to such personal care compositions as sunscreens or cosmetics.