INCI name

CALCIUM SODIUM BOROSILICATE

Calcium sodium borosilicate

Bulkingreviewed

A glass powder used as a base for shimmer pigments.

What it is

Calcium Sodium Borosilicate is a glass made essentially of calcium and sodium borosilicates. CosIng lists it as a bulking agent. Its thin flakes are commonly coated with colorants such as titanium dioxide, iron oxides or silver to create sparkle.

Where it is used

Found in eyeshadows, highlighters, nail polishes, lip glosses and body shimmers.

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.

In a shimmer product, the visible colour usually comes from coating colorants listed separately by CI number.

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 (286)

Check a full ingredient list