Ingredient
Tetrasodium EDTA
EDTA Tetrasodium Salt
Tetrasodium Ethylenediaminetetraacetate
Edetate Tetrasodium
What it is
The tetrasodium salt of ethylenediaminetetraacetic acid (EDTA), a synthetic chelating agent added at low levels to bind trace metal ions in a formula.
How it works
Sequesters calcium, magnesium, and iron ions so they cannot destabilize the emulsion, degrade the preservative system, or cause discoloration over shelf life.
What it does
Chelating agent
Concerns to know
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Well tolerated
No significant safety concern is reported for this ingredient as used in cosmetics.