Magnesium Aluminum Silicate
A mineral clay thickener. It stabilizes the emulsion, holds pigments evenly and gives a soft texture. Inert to skin.
Supporting ingredient
It gives a product its texture, stability or shelf life. It has no claimed effect on the skin, so an efficacy tier does not apply. What is known about its safety is below
Tolerability and safety
- Irritation potential
- Low
- Allergen risk
- Low
- Pregnancy
- Safe
- Suitable for
- Normal, Dry, Combination, Oily, Sensitive
About this ingredient
Magnesium Aluminum Silicate is a natural clay mineral (purified smectite). INCI: Magnesium Aluminum Silicate. In a formula it works as a thickener, emulsion stabilizer, and suspending agent: it raises viscosity, keeps pigments and insoluble particles suspended, and gives creams and masks a smooth structure. It is a functional rheology component, not a skincare active. It often works paired with cellulose thickeners. Pregnancy safety. An inert mineral, it does not penetrate skin, is systemically negligible, and there is no evidence of harm. It can be used during pregnancy and lactation. Tolerance. Irritation and allergen potential are low, suitable for sensitive skin.
Frequently asked questions
Is Magnesium Aluminum Silicate safe during pregnancy?
Magnesium Aluminum Silicate is considered safe during pregnancy at typical cosmetic concentrations. Systemic absorption through the skin is minimal.
What skin types is Magnesium Aluminum Silicate for?
Magnesium Aluminum Silicate suits: normal, dry, combination, oily, sensitive.
What is Magnesium Aluminum Silicate and what does it do in cosmetics?
A mineral clay thickener.
What's the INCI name for Magnesium Aluminum Silicate?
The INCI name is Magnesium Aluminum Silicate.
See Magnesium Aluminum Silicate in a product composition right on the store page
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Similar role in the formula
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