Description
- Chemical Composition: Triethanolamine (TEA) is an organic compound that is a viscous, colorless liquid with a slight ammonia-like odor. The “85%” concentration refers to the purity of TEA in the solution, with the remaining 15% typically being water.
- Chemical Formula: C₆H₁₅NO₃
- Properties: TEA is highly soluble in water and alcohol, making it versatile for use in various formulations. It functions as a base and can neutralize acids, creating stable emulsions.
Uses
- pH Adjuster: TEA is widely used in cosmetics and personal care products to adjust the pH level of formulations, ensuring product stability and skin compatibility.
- Emulsifier: It helps in forming and stabilizing emulsions in creams, lotions, and other products by reducing the surface tension between oil and water phases.
- Surfactant: TEA is used in shampoos, body washes, and cleansers to enhance foaming and cleansing properties.
- Buffering Agent: It acts as a buffering agent in various formulations, maintaining consistent pH levels.
- Corrosion Inhibitor: In industrial applications, TEA is used as a corrosion inhibitor in metalworking fluids.
Benefits
- Versatility: TEA’s ability to function as a pH adjuster, emulsifier, and surfactant makes it a valuable ingredient in a wide range of products.
- Stability: By adjusting and stabilizing pH levels, TEA helps improve the shelf life and efficacy of cosmetic and personal care formulations.
- Improved Texture: TEA aids in creating smooth and creamy textures in emulsions, enhancing the sensory qualities of creams and lotions.
- Enhanced Foaming: In cleansers and shampoos, TEA contributes to improved foaming action, which enhances the user experience.
- Cost-Effectiveness: Its multifunctional nature allows formulators to achieve multiple effects with a single ingredient, reducing the need for additional additives.
Triethanolamine 85% is a versatile ingredient widely used in both cosmetic and industrial applications due to its ability to enhance the stability, texture, and performance of various products.
Personal Care and Cosmetic Products
- pH Adjustment:
- Typical Usage: 0.1% to 1.0%
- TEA is used to adjust the pH of formulations to ensure stability and skin compatibility.
- Emulsification:
- Typical Usage: 0.5% to 3.0%
- TEA can be combined with fatty acids to create emulsifying agents, helping to stabilize creams and lotions.
- Surfactant Products (Shampoos, Cleansers):
- Typical Usage: 0.5% to 5.0%
- Used to enhance foaming and cleansing properties.
Industrial Applications
- Metalworking Fluids:
- Typical Usage: 0.1% to 2.0%
- Acts as a corrosion inhibitor and helps maintain the stability of the fluid.
- Textile and Leather Processing:
- Typical Usage: 0.5% to 2.0%
- Used as a pH adjuster and emulsifier.
Formulation Considerations
- Skin Sensitivity: Higher concentrations of TEA can cause irritation in sensitive individuals. Therefore, formulations for leave-on products typically use lower concentrations than rinse-off products.
- Regulatory Guidelines: Different countries may have specific regulations regarding the maximum allowable concentration of TEA in consumer products, so it’s important to consult local guidelines.
- Compatibility: TEA should be carefully formulated with other ingredients to avoid unwanted interactions, particularly with certain preservatives or active ingredients that may be sensitive to pH changes.
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