A complex borosilicate mineral, listed as a viscosity-controlling ingredient.
What it is
Tourmaline is, according to CosIng, a complex aluminium and boron cyclosilicate that can contain iron, magnesium, manganese, calcium, sodium, potassium, lithium and fluorine; it is a naturally occurring mineral group. CosIng lists it as a viscosity-controlling ingredient.
Where it is used
Appears on the ingredient lists of a small number of 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.
As a natural mineral, its exact composition varies. The INCI name does not show the particle size.
Functions
- 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.