Aluminum/Magnesium Hydroxide Stearate

INCI: ALUMINUM/MAGNESIUM HYDROXIDE STEARATE

CAS Number
11097-59-9 (commonly cited for aluminum magnesium hydroxide stearate / hydrotalcite-type compounds)
Function
Emulsion stabilising, viscosity controlling
Safety Rating
EXCELLENT

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes CIR reviewed aluminum stearate compounds and found them safe as used in cosmetics. FDA does not restrict.

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Animal/synthetic origin (stearic acid source) relevant for vegan and COSMOS claims. Patch testing recommended for extremely sensitive skin.

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Concern Level: Low

Frequently Asked Questions

Is Aluminum/Magnesium Hydroxide Stearate safe in cosmetics?

Animal/synthetic origin (stearic acid source) relevant for vegan and COSMOS claims. Patch testing recommended for extremely sensitive skin. The EU classifies Aluminum/Magnesium Hydroxide Stearate as "permitted". Safety rating: EXCELLENT.

Is Aluminum/Magnesium Hydroxide Stearate allowed in the EU?

Aluminum/Magnesium Hydroxide Stearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Aluminum/Magnesium Hydroxide Stearate do in cosmetics?

Aluminum/Magnesium Hydroxide Stearate functions as: Emulsion stabilising, viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: 11097-59-9 (commonly cited for aluminum magnesium hydroxide stearate / hydrotalcite-type compounds).

What is the Margin of Safety for Aluminum/Magnesium Hydroxide Stearate?

not established The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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