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Sodium EDTA in Cosmetics
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Product Description
Sodium EDTA is the disodium salt of ethylenediaminetetraacetic acid (EDTA), a water-soluble chelating agent. Chemically, it has multiple sites that can bind to metal ions, forming stable complexes. In cosmetics, its primary role is not to directly improve skin condition but to indirectly enhance product performance by regulating the stability of the formulation system.
Aogebio® Sodium EDTA (CAS 139-33-3) is a high-purity chelating agent widely used in cosmetics and personal care formulations to improve product stability and longevity. By effectively binding metal ions, Sodium EDTA prevents oxidation, maintains texture, and enhances the efficacy of preservatives, ensuring your skincare, haircare, and cosmetic products remain fresh and effective. Ideal for lotions, creams, shampoos, and serums, Aogebio® Sodium EDTA acts as a stabilizer, preventing discoloration and rancidity while extending shelf life. As a trusted Tetrasodium EDTA supplier, Aogebio® delivers cosmetic-grade quality for safer, high-performance formulations. Choose Aogebio® for premium Sodium EDTA that meets industry standards for preservative boosting, metal sequestration, and formulation stability.
Enhances preservative efficacy
Many metal ions may be present in cosmetic raw materials or production water. These ions can promote microbial growth and reduce the activity of preservatives. Sodium EDTA chelates these metal ions, reducing their interference with preservatives, thereby enhancing the efficiency of the preservative system and extending the product’s shelf life.
Improves formulation stability
Metal ions may catalyze oxidation, hydrolysis, or other reactions of ingredients in cosmetics, leading to discoloration, off-odors, or separation. By chelating metal ions, Sodium EDTA inhibits such chemical reactions, maintaining the stability of the product’s texture, color, and scent.
Optimizes cleansing performance
In facial cleansers and body washes, Sodium EDTA can chelate calcium and magnesium ions in hard water, reducing "soap scum" formed by the combination of these ions with surfactants. This allows surfactants to function more effectively, improving foam fineness and cleansing efficiency.
Reduces potential irritation
Some free metal ions may irritate the skin or exacerbate sensitivity. The chelating action of Sodium EDTA on these ions can indirectly lower the product’s potential for irritation.
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Use
Typically added at 0.01% - 0.5% in cosmetic formulations. The specific concentration is adjusted based on the content of metal ions in raw materials, product type, and preservative system requirements.
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Cleansing Products
Facial cleansers, body washes, shampoos (chelates hard water ions to optimize cleansing and foaming).
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Skincare products
Toners, lotions, creams, serums (protects active ingredients from oxidative degradation).
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Sunscreen products
Sunscreens, sunscreen sprays (maintains the stability of UV filters, preventing discoloration or inactivation).
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Haircare products
Conditioners, hair masks (reduces metal ion damage to hair, improving smoothness).
Storage
Store in a closed container at a dry place at room temperature.
Animal Testing
Not animal tested
Vegan
Does not contain animal-derived components
GMO
No data available