Trisodium Ethylenediamine Disuccinate

Benefits
Cleansing

What is Trisodium Ethylenediamine Disuccinate?

Trisodium ethylenediamine disuccinate is a synthetic, eco-friendly chelating compound formed from ethylenediamine and succinic acid salts. Primarily found in rinse-off cleansing products like facial washes, body cleansers, and shampoos, it works by forming strong, stable complexes with divalent and trivalent metal ions such as calcium, magnesium, iron, and copper present in water or ingredients. This action inhibits unwanted reactions that cause product instability, including precipitation of surfactants, discoloration from oxidation, rancidity in oils, and interference with preservative systems. By maintaining formulation clarity and efficacy, it ensures consistent performance over time. Unlike persistent chelators, this ingredient breaks down readily in the environment, making it a preferred option for sustainable cosmetics without compromising on functionality or gentleness.

Comedogenic Rating 0/5 Low risk of clogging pores
EWG Safety Rating 1 View on EWG →

Roles in Formulation

This ingredient serves the following purposes in cosmetic formulations:

Chelating agent
Binds to metal ions to prevent them from affecting product stability or skin.

Benefits

Enhances cleansing effectiveness by countering hard water minerals that reduce lather and rinse.

Promotes formula stability to prevent separation, color shifts, or spoilage.

Supports clearer, more reliable products for everyday use.

Who It's For

A quick guide for who this ingredient may suit (and who should be cautious).

Who May Benefit Who Should Avoid
Users in areas with hard water seeking better lather and rinse.
Individuals sensitive to ethylenediamine-related compounds.
Those preferring stable, long-lasting cleansers.
Those with rare allergies to succinate derivatives.
People wanting eco-friendly alternatives in routines.
People avoiding synthetic chelators entirely.

Safety Notes

  • Assessed as safe for cosmetic use by expert reviews.
  • Consistently low hazard across evaluations.

Frequently Asked Questions about Trisodium Ethylenediamine Disuccinate

What does it do in skincare?

It binds metal ions to stabilize products and enhance cleansing action.

Is it safe for daily use?

Yes, it carries the lowest safety ratings from reliable assessments.

Does it clog pores?

No, it has a zero comedogenic rating.