Stable Cannabinoid Cosmetic Composition via Emulsion and Antioxidant
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Solution Overview
Problem
Cannabinoids, such as CBD and CBG, are prone to oxidation and light sensitivity, leading to instability and challenges in preservation, storage, and application in personal care products, which limits their use due to rapid degradation.
Innovation Solution
A stable cosmetic composition is developed, incorporating cannabinoids, a lipid, water, and an emulsifier, using a Nano lipid carrier or oil-in-water emulsion, with added antioxidants like PTDTBH to enhance stability, maintaining over 55% cannabinoid integrity after three months at 45°C and in light.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cannabinoids are used in personal care products, then therapeutic and cosmetic benefits are achieved, but stability and preservation become difficult due to oxidation and light sensitivity
Solution Approach 1:
The patent employs an oil-in-water emulsion system where the cannabinoid is encapsulated in an oily phase that provides a protective environment, reducing exposure to oxygen and light. The emulsion matrix acts as a barrier, creating a microenvironment that limits oxidative degradation and photodegradation of the cannabinoid compounds.
Solution Approach 2:
The patent introduces stabilizing agents and antioxidants as intermediary substances that protect the cannabinoid from oxidation and light damage. These intermediaries absorb or neutralize harmful oxidative species and reduce light-induced degradation, thereby preserving cannabinoid integrity during storage and application.
2Duration of action of moving object
If cannabinoids are formulated in personal care products, then application benefits are achieved, but rapid degradation limits usability and effectiveness
Solution Approach 1:
The patent modifies the physical and chemical parameters of the cannabinoid formulation by incorporating it into an emulsion system with specific pH, temperature, and compositional parameters optimized for stability. The oil-in-water emulsion structure and selected ingredients create a formulation environment that slows degradation kinetics, extending shelf life while maintaining cannabinoid potency.
3Stability of the object's composition
If cannabinoids are stabilized using antioxidants and emulsifiers, then stability is improved, but formulation complexity increases
Solution Approach 1:
The patent selects ingredients that perform multiple functions: the emulsifier not only stabilizes the oil-in-water emulsion but also provides skin-conditioning benefits; antioxidants protect both the cannabinoid and other formulation ingredients from oxidation. This multi-functionality reduces the need for additional separate stabilizing components, managing formulation complexity while maintaining stability.
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 stabilizes cannabinoids, ensuring they remain effective for extended periods, improving their stability and usability in personal care products by reducing oxidation and light-induced degradation.
Implementation Method 1
cannabinoids are often sensitive to oxidation and light, resulting in low stability
Implementation Method 2
The components of the composition may be mixed to form an oil-in-water composition by using a Nano lipid carrier or an oil-in-water emulsion
Data Source
AI summary
The present disclosure provides a stable cosmetic composition. The composition may include one or more cannabinoids at 0.05%-10% in total by weight of the composition. The composition may also include an emulsifier at 0.02%-20% by weight of the composition. The composition may further include a stabilizing agent which includes an antioxidant.