Serum-Free Cosmetic Composition Using BSA and Low-Dose EGF
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Solution Overview
Problem
Current cosmetic compositions using fetal bovine serum (FBS) pose safety concerns due to the risk of mad cow disease, animal protection issues, and high costs, while excessive epidermal growth factor (EGF) usage can stimulate cancer cell growth, necessitating a safer, cost-effective solution for skin improvement and wrinkle reduction.
Innovation Solution
A cosmetic composition combining a cell culture medium, 0.4 to 0.8 ng/mL of EGF, and 10 to 1,000 μg/mL of bovine serum albumin (BSA) that promotes collagen synthesis and skin regeneration without FBS, thereby enhancing skin elasticity and wound healing while minimizing cancer risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fetal bovine serum (FBS) is used in cell culture medium, then cell growth and proliferation are promoted, but safety risks (mad cow disease) and high costs occur
Solution Approach 1:
The patent extracts and isolates the essential growth-promoting components from FBS, specifically identifying and utilizing bovine serum albumin (BSA) as the key ingredient. By taking out only the necessary functional element (BSA) rather than using the complete FBS mixture, the invention eliminates safety risks associated with FBS while maintaining cell growth promotion capability.
Solution Approach 2:
The patent replaces expensive FBS with a more cost-effective alternative composition based on BSA. By using readily available and cheaper materials (BSA, DMEM, F12) instead of costly FBS, the invention reduces production costs while achieving the same biological function of promoting cell growth and proliferation.
2Strength
If excessive epidermal growth factor (EGF) is used for wrinkle improvement, then collagen synthesis is promoted, but cancer cell growth and migration are stimulated
Solution Approach 1:
The patent precisely controls the concentration parameter of EGF, using a specific low range of 0.4-0.8 ng/mL. By changing the dosage parameter from high concentrations to this optimized low concentration range, the invention maintains the beneficial effect of collagen synthesis promotion while avoiding the harmful effect of stimulating cancer cell growth and migration.
Solution Approach 2:
The patent creates a composite formulation combining multiple ingredients (BSA, EGF at low concentration, DMEM, F12) that work synergistically. The BSA provides base nutrition and growth support, while the low-dose EGF provides targeted collagen stimulation, creating a balanced composite that achieves anti-aging benefits without cancer risk.
3Object-affected harmful factors
If serum is excluded from cell culture medium, then safety and cost issues are avoided, but cell culture becomes difficult to achieve
Solution Approach 1:
The patent introduces BSA as an intermediary substance that mediates between the requirement for serum-free culture (safety/cost) and the need for cell growth support (reliability). BSA acts as the intermediary component that provides essential nutrients and growth factors, enabling successful cell culture without requiring complete serum exclusion.
Solution Approach 2:
The patent optimizes the concentration parameter of BSA (10-1,000 μg/mL) to achieve the minimum effective level needed for cell culture success. By precisely controlling this parameter, the invention ensures reliable cell culture achievement while maintaining serum-free conditions for safety and cost benefits.
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 improves skin conditions by promoting collagen synthesis and wound healing, reduces cancer incidence risks, and offers cost competitiveness by eliminating FBS-related safety and cost issues, providing a safe and effective alternative for skin improvement.
Implementation Method 1
the albumin attracts water to maintain the water content in the blood, thereby enhancing skin elasticity
Implementation Method 2
Epidermal growth factor (EGF) is a typical component that promotes collagen synthesis, thereby showing the effect of wrinkle improvement
Implementation Method 3
Serum is known to play a role in growth promotion, nutrient supply, and protection of cells from oxidation and toxins
Implementation Method 4
Serum is known to play a role in growth promotion, nutrient supply, and protection of cells from oxidation and toxins
Data Source
AI summary
The present invention relates to: a cosmetic composition for improving the condition of the skin, containing, as active ingredients, a cell culture medium, an epidermal growth factor and a bovine serum albumin; a method for improving the condition of the skin by using the same; and a method for preventing or treating skin diseases. According to the present invention, the cosmetic composition can exhibit excellent wrinkle-reducing and wound-healing effects even when only a small amount of EGF is used, and thus can be useful in improving the condition of the skin or in preventing or treating skin diseases.