Silicone Emulsion Composition for Stable High HPTP Loading
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Solution Overview
Problem
Hydroxypropyl tetrahydropyrantriol is difficult to incorporate into cosmetic compositions in high amounts while maintaining stability, leading to issues such as partial loss of product integrity, color change, and reduced efficacy due to solubility and stability problems.
Innovation Solution
A stable cosmetic composition comprising hydroxypropyl tetrahydropyrantriol in a water-in-silicone emulsion with specific ratios of hydroxypropyl tetrahydropyrantriol, water, silicone oils, crosslinked emulsifying silicone elastomers, and co-emulsifier silicones, which maintains stability and enhances skin benefits.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If high amounts of hydroxypropyl tetrahydropyrantriol are incorporated into cosmetic compositions, then cosmetic benefits (reduction of fine lines and wrinkles, improvement of hyaluronic acid production, softening of stratum corneum) are enhanced, but stability and product integrity are compromised
Solution Approach 1:
The patent introduces a specific emulsification system comprising crosslinked emulsifying silicone elastomers and co-emulsifier silicones as intermediary components that mediate between the hydroxypropyl tetrahydropyrantriol and the aqueous phase. This emulsification system acts as a stabilizing intermediary that enables high concentrations of the active ingredient (15-60% w/w) to be incorporated while maintaining composition stability, thereby resolving the contradiction between quantity and stability.
Solution Approach 2:
The patent changes the physical-chemical parameters of the cosmetic composition by using a water-in-silicone emulsion system with specific phase ratios and emulsification conditions. By adjusting the emulsification parameters (emulsifier type, phase ratio, processing conditions), the patent achieves stable incorporation of high amounts of hydroxypropyl tetrahydropyrantriol, transforming the system from unstable to stable through parameter optimization.
2Reliability
If high amounts of hydroxypropyl tetrahydropyrantriol are incorporated into cosmetic compositions, then cosmetic efficacy is improved, but product integrity and color stability deteriorate
Solution Approach 1:
The emulsification system serves as a protective intermediary that isolates the hydroxypropyl tetrahydropyrantriol from direct interaction with other formulation components that could cause degradation. The crosslinked emulsifying silicone elastomers and co-emulsifier silicones create a stable microenvironment that preserves both the efficacy and integrity of the active ingredient, preventing color change and product degradation.
Solution Approach 2:
The patent creates a composite emulsion system combining multiple components (silicone phase, aqueous phase, crosslinked emulsifying silicone elastomers, co-emulsifier silicones) that work synergistically. This composite structure provides both the stability needed to maintain product integrity and the delivery mechanism needed to ensure cosmetic efficacy, allowing high concentrations of hydroxypropyl tetrahydropyrantriol to be incorporated without harmful effects.
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 provides exceptional cosmetic benefits like reducing fine lines and wrinkles, improving hyaluronic acid production, and softening the stratum corneum, while maintaining skin elasticity and moisture balance.
Implementation Method 1
A stable cosmetic composition comprising hydroxypropyl tetrahydropyrantriol in a water-in-silicone emulsion with specific ratios of hydroxypropyl tetrahydropyrantriol, water, silicone oils, crosslinked emulsifying silicone elastomers, and co-emulsifier silicones
Data Source
AI summary
The present disclosure relates to stable cosmetic compositions containing high amounts of hydroxypropyl tetrahydropyrantriol. The cosmetic compositions further include water, silicone oils, and crosslinked emulsifying silicone elastomers, and co-emulsifier silicones chosen from dimethicone copolyols. Methods for stabilizing the cosmetic compositions containing high amounts of hydroxypropyl tetrahydropyrantriol and methods of treating the skin with the cosmetic compositions is also described.