INCI name

MAGNESIUM SULFATE

Epsom salt

Bulkingreviewed

A mineral salt used as a bulking agent and stabiliser.

What it is

Magnesium sulfate is an inorganic salt, known as Epsom salt in its hydrated form. In emulsions it helps stabilise water-in-oil systems; it is also the main ingredient of some bath salts.

Where it is used

Found in bath salts, water-in-oil creams and some cleansers.

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

Bulking
Non-reactive (chemically inert), solid ingredients that dilute other solids and/or increase the volume of cosmetic 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 (643)

Check a full ingredient list