This is an important point, with which we can prevent misunderstandings!
Even if the name sounds similar, it has nothing to do with the critically considered aluminium salts.
Magnesium aluminum silicate is a natural mineral, an alumina. This results from the transformation of various feldspars, which are considered the most important rock-forming minerals in the earth's crust. This clay is a dermatologically well tolerated mineral stabilizer for emulsions, creams, toothpastes or gels.
This mineral is very popular in natural cosmetics.