INCI name

TRIDECETH-9

Trideceth-9

An ethoxylated alcohol used as an emulsifier and cleansing agent.

What it is

Trideceth-9 is tridecyl (isotridecyl) alcohol reacted with ethylene oxide; the number 9 refers to the average number of ethylene oxide units. CosIng lists it as an emulsifying and cleansing surfactant.

Where it is used

Found in hair care products, cleansers and emulsions, where it helps combine oil and water or supports cleansing.

Limits of interpretation

The INCI list shows which ingredients are present, not how much of each. Above 1%, ingredients are listed in descending order of weight; below 1% the order is free.

Functions

Surfactant – emulsifying
Helping suspensions or dispersions of liquids in a second liquid by reducing the surface tension of the substances to be emulsified.
Surfactant – cleansing
Wetting body surfaces, emulsifying or solubilizing oils, and suspending soil (generally, such ingredients contribute to the foaming and lathering properties of cleansing products).

EU regulation

This ingredient is not listed in the annexes of Regulation (EC) No 1223/2009 in the CosIng data.

Products with this ingredient (83)

Check a full ingredient list