INCI name

DIMETHYL SULFONE

Dimethyl sulfone (MSM)

A small organic sulfur compound used as a solvent and viscosity-controlling agent.

What it is

Dimethyl sulfone, also known as methylsulfonylmethane (MSM), is a simple organic sulfur compound with two methyl groups attached to a sulfonyl group, a white crystalline solid. CosIng lists it as a solvent and viscosity-controlling ingredient.

Where it is used

Found in creams, gels, serums and hair care products.

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.

The label does not show the amount used.

Functions

Solvent
Dissolving other components of cosmetics. Solvents are usually liquids (aqueous and nonaqueous).
Viscosity controlling
Increasing or decreasing the viscosity (thickness) of cosmetics.

EU regulation

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

Products with this ingredient (11)

Check a full ingredient list