Ingredient
DISODIUM EDTA
Name / description
Disodium EDTA; Ethylenediaminetetraacetic Acid, Disodium Salt
Function(s) of this ingredient in cosmetic products
CHELATING
Binds metal ions which could negatively affect the stability and / or appearance of cosmetics
VISCOSITY CONTROLLING
Increases or decreases the viscosity of cosmetic products
Origin
synthetic
Occurrence in cosmetics
Various cosmetics
Occurrence in other products
Medicinal products and medical devices (such as injection solutions, ointments, tinctures, eye or nose drops), foodstuffs
Why are we talking about it?
EDTA is suspected of being an eye irritant and is considered an environmental pollutant because it is poorly biodegradable and has the potential to absorb and remobilise heavy metals. The facts: EDTA is insignificantly absorbed through the skin, hardly metabolised and rapidly eliminated (1). The safety margin for the use of EDTA in cosmetics is thus 300,000 times higher than the required minimum safety margin (2). EDTA and its salts are irritating at high concentration levels, but they are only used at very low concentrations (< 0.5 %) in cosmetic products. These concentrations are clearly below the irritation threshold. Furthermore, the skin and eye compatibility of cosmetic products is being evaluated before it is placed on the market. EDTA is not considered a persistent, bioaccumulative or toxic pollutant. However, it is poorly biodegradable (3). The European Commission considers that the risk linked to heavy metals only exists under particular circumstances, due to the trapping of EDTA/heavy metal complexes in sediments. Key points to take away: Due to the low concentrations used in cosmetic products, the use of EDTA and its salts is considered to be safe for human health. Beyond its safe use in cosmetics, the ecological characteristics of EDTA and its salts justify that these substances be carefully monitored for their environmental behavior. Sources: (1) Cosmetic Ingredient Review (CIR), 2019: https://www.cir-safety.org/sites/default/files/EDTA.pdf (2) Cosmetic Products Regulation EC No 1223/2009; Annex III (3) French National Institute for Industrial Environment and Risks Risks (INERIS), 2011: https://substances.ineris.fr/fr/substance/getDocument/3042
Further information
For the clarification of a suspicion of a contact allergy this substance can be routinely tested in the epicutaneous test at the dermatologist.
Belongs to the following substance groups
Regulating cosmetics
Cosmetics Ingredients are subject to regulation. Please note, different regulations may apply to cosmetic ingredients outside the EU.