Methylstyrene/Vinyltoluene Copolymer

INCI: METHYLSTYRENE/VINYLTOLUENE COPOLYMER

CAS Number
9017-27-0
Function
Viscosity controlling - increases or decreases the viscosity of cosmetic products
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Not prohibited or restricted; permitted for cosmetic use

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

As a synthetic polymer, generally considered low-risk; not absorbed through skin; standard polymer safety considerations apply. A copolymer of two isomeric monomers (methylstyrene = 2-methylstyrene/2-vinyltoluene); chemically described as benzene, ethenylmethyl-, polymer with (1-methylethenyl)benzene

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Concern Level: Moderate

Frequently Asked Questions

Is Methylstyrene/Vinyltoluene Copolymer safe in cosmetics?

As a synthetic polymer, generally considered low-risk; not absorbed through skin; standard polymer safety considerations apply. A copolymer of two isomeric monomers (methylstyrene = 2-methylstyrene/2-vinyltoluene); chemically described as benzene, ethenylmethyl-, polymer with (1-methylethenyl)benzene The EU classifies Methylstyrene/Vinyltoluene Copolymer as "permitted". Safety rating: MODERATE.

Is Methylstyrene/Vinyltoluene Copolymer allowed in the EU?

Methylstyrene/Vinyltoluene Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Methylstyrene/Vinyltoluene Copolymer do in cosmetics?

Methylstyrene/Vinyltoluene Copolymer functions as: Viscosity controlling - increases or decreases the viscosity of cosmetic products. It is classified as a cosmetic ingredient in our database. CAS number: 9017-27-0.

What is the Margin of Safety for Methylstyrene/Vinyltoluene Copolymer?

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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