Sodium Magnesium Silicate

INCI: SODIUM MAGNESIUM SILICATE

CAS Number
53320-86-8
Function
Viscosity controlling; Bulking; Emulsion stabilizing
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted; CIR concluded safe as used with inhalation caveat; max reported use up to 21.6% in eye shadows

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Inhalation concern โ€“ same as \#9; crystalline silica content must be <0.1% or supported by repeated-dose inhalation study data; distinct from Talc (different crystalline structure)

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Concern Level: Low

Regulatory Flags

epa_safer_alternative

Frequently Asked Questions

Is Sodium Magnesium Silicate safe in cosmetics?

Inhalation concern โ€“ same as \#9; crystalline silica content must be <0.1% or supported by repeated-dose inhalation study data; distinct from Talc (different crystalline structure) The EU classifies Sodium Magnesium Silicate as "permitted". Safety rating: GOOD.

Is Sodium Magnesium Silicate allowed in the EU?

Sodium Magnesium Silicate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Sodium Magnesium Silicate do in cosmetics?

Sodium Magnesium Silicate functions as: Viscosity controlling; Bulking; Emulsion stabilizing. It is classified as a cosmetic ingredient in our database. CAS number: 53320-86-8.

What is the Margin of Safety for Sodium Magnesium Silicate?

adequate 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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