Cationic Polyvinyllactam Haircare Composition Frizz Control
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Solution Overview
Problem
Conventional haircare products with cationic silicones fail to adequately tame frizzy hair and control its volume, while maintaining satisfactory cosmetic properties such as softness, disentangling, and feel.
Innovation Solution
A cosmetic composition combining cationic poly(vinyllactam) polymers, fatty alcohols, and amino silicones, which are applied to keratin fibers to smooth and reduce frizz, while providing desired hair properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If conventional cationic silicones are used in haircare products, then good cosmetic properties such as softness and feel are achieved, but the ability to tame frizzy hair and control volume is insufficient
Solution Approach 1:
The patent combines three different material classes (cationic polyvinyllactam polymer, fatty alcohol, and amino silicone) into a composite formulation. Each component contributes different properties: the polyvinyllactam provides frizz control and volume reduction, the fatty alcohol contributes to softness and combability, and the amino silicone enhances shine and feel. This composite approach allows simultaneous achievement of multiple cosmetic properties that individual ingredients cannot provide alone.
2Reliability
If haircare products aim to reduce frizzy hair volume, then frizz control improves, but other cosmetic properties such as softness and disentangling may be compromised
Solution Approach 1:
The formulation assigns different functional roles to different components based on their specific properties. The cationic polyvinyllactam polymer specifically targets frizz control and volume reduction through its charge and polymer structure, while the fatty alcohol component specifically addresses softness and combability through its lipid-like properties. This functional differentiation allows each ingredient to optimize its local function without compromising overall performance.
Solution Approach 2:
The composite formulation integrates multiple ingredients with complementary functions to simultaneously achieve frizz control and maintain softness. The synergistic interaction between the polyvinyllactam (for frizz control) and fatty alcohol (for softness) ensures that improving one property does not compromise the other, as each component works in its optimized functional domain.
Data Source
AI summary
The present disclosure relates to a cosmetic composition for treating keratin fibers, including human keratin fibers such as the hair, comprising, in a cosmetically acceptable medium, at least one cationic poly(vinyllactam) polymer, at least one fatty alcohol and at least one amino silicone.