Ingredient guide
Magnesium Aluminum Silicate
INCI name · magnesium aluminum silicate
In short
Magnesium Aluminum Silicate is a purified smectite clay that stabilises formulas and keeps particles evenly suspended. It helps create smooth, consistent textures, especially in mineral sunscreens.
Works forFrom reviewed ingredient data
Best used
Anytime
What it is
Purified smectite clay used as a rheology modifier and suspension stabiliser; builds a thixotropic network in aqueous formulas that thins under shear and reforms at rest. Widely used to keep mineral sunscreen particles in stable suspension.
Evidence receipt
No linked study yet
No verified study is linked to this exact ingredient and route. The guidance below describes conventional use; it is not evidence of efficacy.
Also found as
Related
Compare products
Browse product comparisonsWhere to find it
Examples, not a ranking. A product lookup can confirm identity and background; a verdict still needs the full ingredient list.
Product discovery is not efficacy proof. These examples are not ranked by commission.
Common questions
What does Magnesium Aluminum Silicate do in products?
It thickens watery formulas and prevents pigments or minerals from settling, keeping textures even.
Is it suitable for all skin types?
Yes, it’s inert and generally well tolerated.
Where is it commonly found?
Often in mineral sunscreens, lotions, and gels that need stable, uniform dispersion.
Stay in the loop
Get launch updates and occasional product news.
Unsubscribe anytime.
Checking a complete formula? Paste or photograph the ingredient list for the full verdict.
Personal guidance, not medical advice.