Magnesium Aluminium Silicate is a refined clay-derived mineral used in cosmetics as a thickening, suspending, and emulsion-stabilizing agent. It improves texture and helps keep insoluble particles evenly dispersed in creams, lotions, and masks.
| Reported effect | How often | Notes |
|---|---|---|
Mild skin irritation | Rare | Generally considered non-irritating; occasional mild reactions reported in sensitive individuals. |
Allergic contact dermatitis | Very rare | Sensitization to this inert mineral is uncommon in the literature. |
Mechanical/comedogenic effects | Rare | Low comedogenic potential, but heavy clay-based formulations may occasionally clog pores in acne-prone skin. |
Frequencies reflect typical cosmetic use reported in the literature, not a guarantee for your skin.
Peer-reviewed papers on this ingredient, via PubMed.