Sensate Compositions with Cationic Polymers for Mild Oral Care
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Solution Overview
Problem
Existing personal and oral care products with sensates often cause irritation in sensitive users, and reducing sensate amounts leads to a loss of desired cooling, tingling, or refreshing sensations.
Innovation Solution
Compositions comprising optimal ratios of two or more sensates, coupled with a cationic polymeric compound and optionally a solubilizer, provide mild, long-lasting cooling, tingling, or refreshing effects without irritation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If the amounts of sensate materials are increased to provide beneficial cooling, tingling or refreshing sensations, then the intensity of the sensation is improved, but irritation and burning sensation occur in sensitive users
Solution Approach 1:
The patent changes the parameters by using optimal ratios of two or more different sensates (such as menthol, menthyl lactate, and other cooling agents) instead of relying on a single sensate at high concentration. This parameter optimization allows the composition to provide adequate cooling sensation while reducing irritation through the synergistic or mitigating effects of the combination
Solution Approach 2:
The patent introduces a cationic polymeric compound as an intermediary substance that modifies the interaction between sensates and sensitive skin/mucous membranes. This intermediary agent helps deliver the cooling sensation while protecting sensitive users from irritation and burning effects
2Object-affected harmful factors
If the amounts of sensate materials are reduced to eliminate irritation, then the harmful effects are minimized, but the beneficial cooling, tingling or refreshing sensations are lost
Solution Approach 1:
The patent creates a composite composition system that combines multiple sensates in specific ratios along with a cationic polymeric compound. This composite formulation achieves a synergistic effect where the combination provides stronger and more sustained cooling sensation than individual sensates at low concentrations, thereby eliminating irritation while maintaining beneficial effects
Solution Approach 2:
The patent optimizes the concentration parameters of each sensate component within specific ranges (e.g., first sensate at 0.01-0.3%, second sensate at 0.01-0.45%) to achieve the threshold where beneficial sensations are maintained while irritation is eliminated, particularly for sensitive users
3Duration of action of moving object
If higher amounts of sensates are used to provide long-lasting sensation, then the duration of effect is improved, but irritation increases for sensitive users
Solution Approach 1:
The patent employs a composite formulation with multiple sensates (such as menthol combined with menthyl lactate or other cooling agents) in optimized ratios, which provides prolonged cooling sensation through sustained release mechanisms while the cationic polymeric compound ensures gentle interaction with sensitive skin, achieving both long duration and low irritation
Data Source
AI summary
Compositions comprising a first sensate, a second sensate, and a cationic polymeric compound are described, as well as methods for using such compositions in oral care and personal care applications.