INCI name

SODIUM LAURETH SULFATE

SLES

A foaming anionic surfactant.

What it is

Sodium laureth sulfate is an ethoxylated anionic surfactant. It cleans and produces foam and is milder than its non-ethoxylated counterpart, sodium lauryl sulfate.

Where it is used

Shampoos, shower gels and liquid soaps.

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.

SLES and SLS are different ingredients with similar names.

Functions

Cleansing
Helping to keep the body surface clean.
Surfactant – emulsifying
Helping suspensions or dispersions of liquids in a second liquid by reducing the surface tension of the substances to be emulsified.
Foaming
Traping numerous small bubbles of air or other gas within a small volume of liquid by modifying the surface tension of the liquid.
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 (2421)

Check a full ingredient list