Trisodium Ethylenediamine Disuccinate: what it is in skincare
โก Quick answer: A biodegradable chelator that ties up metal ions to help support a formula's stability.
A biodegradable chelator that ties up metal ions to help support a formula's stability.
What it does
Function: chelator. Chelators bind stray metal ions so formulas stay stable and effective for longer.
How to spot it on a label
On a Korean product's INCI list, look for Trisodium Ethylenediamine Disuccinate. Ingredients are listed high-to-low by amount, so its position hints at how much is in the formula. See all chelators โ
Explore the full K-beauty hub โโ๏ธ Written & reviewed by the KoreaPlus Editorial team โ dermatologist-informed, cosmetic-science researched & source-cited. Last reviewed 2026-06-21.
General educational information using cosmetic structure-function wording โ not medical advice. Always patch-test new actives. ยฉ KoreaPlus.