INCI name

SODIUM METHYL 2-SULFOLAURATE

Sodium methyl 2-sulfolaurate

An anionic surfactant derived from lauric acid, used in cleansing products.

What it is

Sodium methyl 2-sulfolaurate is the sodium salt of the methyl ester of lauric acid sulfonated at the 2-position (alpha position). CosIng lists it as a cleansing, foaming agent and cleansing surfactant.

Where it is used

Found in shampoos, shower gels, facial cleansers and solid shampoo bars.

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.

It often appears together with disodium 2-sulfolaurate; the label does not show the proportion of each.

Functions

Cleansing
Helping to keep the body surface clean.
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 (22)

Check a full ingredient list