Disodium EDTA is a chelating agent used in cosmetics to enhance stability and aid preservatives. It is safe for use in cosmetics up to 0.85% concentration in leave-on products. It can also enhance skin absorption of other ingredients. However, it is recommended to avoid products containing Disodium EDTA as it is a 'penetration enhancer', which means it disrupts the surface of skin cells and allows other chemicals to get in more easily.
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Disrupts the surface of skin cells, allowing other chemicals to get in more easily. May cause digestive issues in high doses.
Avoid using products containing Disodium EDTA, especially if they contain other potentially harmful ingredients.
EDTA (ethylenediamine tetraacetic acid) and its salts are substituted diamines. HEDTA (hydroxyethyl ethylenediamine triacetic acid) and Trisodium HEDTA are substituted amines.
Safe as used in cosmetics (which is up to 0.85% in leave-on products)
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Disodium EDTA is also used as a food additive. Calcium disodium EDTA is poorly absorbed by your digestive tract and the maximum Acceptable Daily Intake (ADI) is 0.9 mg per pound (1.9 mg per kg) of body weight per day. EDTA and its salts, as well as HEDTA and Trisodium HEDTA may be used in cosmetics and personal care products marketed in Europe according to the general provisions of the Cosmetics Regulation of the European Union.
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