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Ingredient guide
trisodium ethylenediamine disuccinate
In short
A biodegradable chelating agent that binds metal ions in a formula. This helps maintain product stability and protects delicate ingredients from breakdown.
Reviewed against published evidence · editorially independent · no brand pays for placement
Best used
Anytime
What it is
Biodegradable chelating agent that replaces EDTA in eco-conscious formulas. Binds metal ions to extend product shelf life.
Also found as
Common questions
It captures metal ions that could destabilise a formula, helping products stay effective for longer.
It is a behind‑the‑scenes ingredient suitable for all skin types because it doesn’t act directly on skin.
Formulators use it as an eco‑friendly alternative to EDTA to support product longevity.
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Personal guidance only · For clinical concerns, see a dermatologist.