Styrene Methyltrimonium Chloride Crosspolymer

INCI: STYRENE METHYLTRIMONIUM CHLORIDE CROSSPOLYMER

CAS Number
Not uniformly assigned; polymer
Function
Bulking agent, Oil-absorbing, Skin conditioning — inert non-oily powder
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Permitted for cosmetic use; no specific restriction

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

Residual styrene monomer must be verified below safe thresholds. Inhalation concern in powder products (ensure particle size compliance). CIR grouped assessment supports safety under present use conditions

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Concern Level: Low

Frequently Asked Questions

Is Styrene Methyltrimonium Chloride Crosspolymer safe in cosmetics?

Residual styrene monomer must be verified below safe thresholds. Inhalation concern in powder products (ensure particle size compliance). CIR grouped assessment supports safety under present use conditions The EU classifies Styrene Methyltrimonium Chloride Crosspolymer as "permitted". Safety rating: GOOD.

Is Styrene Methyltrimonium Chloride Crosspolymer allowed in the EU?

Styrene Methyltrimonium Chloride Crosspolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Styrene Methyltrimonium Chloride Crosspolymer do in cosmetics?

Styrene Methyltrimonium Chloride Crosspolymer functions as: Bulking agent, Oil-absorbing, Skin conditioning — inert non-oily powder. It is classified as a cosmetic ingredient in our database. CAS number: Not uniformly assigned; polymer.

What is the Margin of Safety for Styrene Methyltrimonium Chloride Crosspolymer?

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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