Lithium Magnesium Silicate

INCI: LITHIUM MAGNESIUM SILICATE

CAS Number
37220-90-9
Function
Bulking agent / viscosity controlling (synthetic hectorite clay)
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted — CIR reviewed silicates and concluded safe in current practices of use

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Inhalation hazard in powder form (respirable dust); ensure particle size >10 µm or use in wet formulations; no significant skin or systemic toxicity at cosmetic use levels

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Concern Level: Moderate

Frequently Asked Questions

Is Lithium Magnesium Silicate safe in cosmetics?

Inhalation hazard in powder form (respirable dust); ensure particle size >10 µm or use in wet formulations; no significant skin or systemic toxicity at cosmetic use levels The EU classifies Lithium Magnesium Silicate as "permitted". Safety rating: GOOD.

Is Lithium Magnesium Silicate allowed in the EU?

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

What does Lithium Magnesium Silicate do in cosmetics?

Lithium Magnesium Silicate functions as: Bulking agent / viscosity controlling (synthetic hectorite clay). It is classified as a cosmetic ingredient in our database. CAS number: 37220-90-9.

What is the Margin of Safety for Lithium 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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