What it is
Magnesium Aluminum Silicate, white in color, is a naturally occurring mineral derived from clay.
What it does
Magnesium Aluminum Silicate is a thickening agent: it has the ability to increase the water part of cosmetics.
It is also used as an opacifying agent to reduce the clear appearance of some cosmetic products.
In addition, Magnesium Aluminum Silicate is used as a powder in cosmetics. It can absorb liquids, prevents powder products from becoming clumpy and help other ingredients to apply more smoothly.
Magnesium Aluminum Silicate is generally considered to be safe.