Polystyrene/Hydrogenated Polyisopentene Copolymer

INCI: POLYSTYRENE/HYDROGENATED POLYISOPENTENE COPOLYMER

CAS Number
Not publicly assigned (copolymer)
Function
Light Stabilizer, Viscosity Controlling
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes No individual CIR monograph; falls under styrene-based polymer class considered safe

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Copolymer shares microplastics and residual monomer concerns with polystyrene, while hydrogenated polyisopentene component is generally regarded as safe; no dedicated toxicological review exists for this specific copolymer.

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Concern Level: Moderate

Frequently Asked Questions

Is Polystyrene/Hydrogenated Polyisopentene Copolymer safe in cosmetics?

Copolymer shares microplastics and residual monomer concerns with polystyrene, while hydrogenated polyisopentene component is generally regarded as safe; no dedicated toxicological review exists for this specific copolymer. The EU classifies Polystyrene/Hydrogenated Polyisopentene Copolymer as "permitted". Safety rating: MODERATE.

Is Polystyrene/Hydrogenated Polyisopentene Copolymer allowed in the EU?

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

What does Polystyrene/Hydrogenated Polyisopentene Copolymer do in cosmetics?

Polystyrene/Hydrogenated Polyisopentene Copolymer functions as: Light Stabilizer, Viscosity Controlling. It is classified as a cosmetic ingredient in our database. CAS number: Not publicly assigned (copolymer).

What is the Margin of Safety for Polystyrene/Hydrogenated Polyisopentene 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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