Hydrogenated Styrene/Isoprene Copolymer

INCI: HYDROGENATED STYRENE/ISOPRENE COPOLYMER

CAS Number
Not widely published (registered in CosIng)
Function
Film former, viscosity controlling
Safety Rating
EXCELLENT

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” CIR assessed safe as part of 35 styrene copolymers (2014)

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

Copolymer assessed safe by CIR; however, residual styrene monomer and isoprene (IARC Group 2B) specifications should be verified with supplier to ensure monomer levels are controlled.

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Concern Level: Moderate

Frequently Asked Questions

Is Hydrogenated Styrene/Isoprene Copolymer safe in cosmetics?

Copolymer assessed safe by CIR; however, residual styrene monomer and isoprene (IARC Group 2B) specifications should be verified with supplier to ensure monomer levels are controlled. The EU classifies Hydrogenated Styrene/Isoprene Copolymer as "permitted". Safety rating: EXCELLENT.

Is Hydrogenated Styrene/Isoprene Copolymer allowed in the EU?

Hydrogenated Styrene/Isoprene Copolymer EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Hydrogenated Styrene/Isoprene Copolymer do in cosmetics?

Hydrogenated Styrene/Isoprene Copolymer functions as: Film former, viscosity controlling. It is classified as a cosmetic ingredient in our database. CAS number: Not widely published (registered in CosIng).

What is the Margin of Safety for Hydrogenated Styrene/Isoprene Copolymer?

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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Is Hydrogenated Styrene/Isoprene Copolymer in Your Products?

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