Magnesium Potassium Fluorosilicate

INCI: MAGNESIUM POTASSIUM FLUOROSILICATE

CAS Number
16949-65-8
Function
Abrasive - removes dental plaque or impurities from skin surface through grinding/polishing effect
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status restricted
EU Max Conc. 0.15%
🇺🇸 US Status permitted
US Notes Allowed - fluoride compounds in OTC oral care products are regulated under the FDA OTC Monograph system

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Contains fluoride - ingestion risk in oral care products; fluoride toxicity at high doses; must be properly labeled. Synthetic fluorosilicate mineral with molecular formula MgSiF₆·6H₂O; provides mechanical polishing action; dual function as abrasive and potential fluoride source

⚠️
Concern Level: High

Regulatory Flags

eu_cosing_listed

Frequently Asked Questions

Is Magnesium Potassium Fluorosilicate safe in cosmetics?

Contains fluoride - ingestion risk in oral care products; fluoride toxicity at high doses; must be properly labeled. Synthetic fluorosilicate mineral with molecular formula MgSiF₆·6H₂O; provides mechanical polishing action; dual function as abrasive and potential fluoride source The EU classifies Magnesium Potassium Fluorosilicate as "restricted". Safety rating: MODERATE.

Is Magnesium Potassium Fluorosilicate allowed in the EU?

Magnesium Potassium Fluorosilicate EU regulatory status: restricted. Maximum allowed concentration: 0.15%. This is based on EU Regulation 1223/2009 and its amendments.

What does Magnesium Potassium Fluorosilicate do in cosmetics?

Magnesium Potassium Fluorosilicate functions as: Abrasive - removes dental plaque or impurities from skin surface through grinding/polishing effect. It is classified as a cosmetic ingredient in our database. CAS number: 16949-65-8.

What is the Margin of Safety for Magnesium Potassium Fluorosilicate?

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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