




FAQ (Frequently Asked Questions)
1. What is the CAS number and INCI name of Disodium EDTA?
The INCI name of Disodium EDTA is Disodium EDTA.
The CAS number is 139-33-3.
2. What is Disodium EDTA?
Disodium EDTA (Ethylenediaminetetraacetic acid disodium salt) is a chelating agent widely used in personal care and cosmetic formulations. It binds to metal ions to enhance the stability and effectiveness of formulations.
3. What are the key functions of Disodium EDTA in personal care products?
Disodium EDTA serves multiple functions, including:
Chelating Agent: Binds to metal ions to prevent formulation degradation.
Preservative Booster: Enhances the efficacy of preservatives.
Stabilizer: Prevents changes in product texture, color, and effectiveness.
Foam Enhancer: Helps improve the performance of cleansing products.
4. What types of personal care products contain Disodium EDTA?
Disodium EDTA is commonly found in:
Shampoos & Conditioners – Enhances foam quality and product stability.
Facial Cleansers & Soaps – Prevents mineral deposits and extends shelf life.
Lotions & Creams – Improves formulation stability.
Serums & Toners – Enhances ingredient performance.
Makeup Products – Prevents color and texture changes over time.
5. What are the benefits of using Disodium EDTA in formulations?
Enhances Product Stability – Prevents unwanted reactions with metal ions.
Boosts Preservative Effectiveness – Reduces the risk of microbial growth.
Improves Texture & Appearance – Helps maintain product consistency.
Prevents Hard Water Effects – Reduces residue buildup in rinse-off products.
6. How is Disodium EDTA used in formulations?
Typically used at 0.01% to 0.5% concentration, depending on the formulation.
Easily dissolves in water-based systems.
Works best in formulations with a pH range of 3-9.
7. Is Disodium EDTA safe for use in personal care products?
Yes, Disodium EDTA is considered safe when used within recommended concentrations. It is approved by major regulatory bodies such as the FDA and CIR (Cosmetic Ingredient Review) for use in cosmetics and personal care products.