Regulatory Status
For full compliance data across 55 jurisdictions, use the Substance Compliance tool.
Safety Data
Calculate MoS for your specific formulation with the MoS Calculator.
GHS Hazard Classification
Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.
Expert Verdict
Solid particulate polystyrene is restricted under EU Regulation 2023/2055 (microplastics restriction) with transition periods: rinse-off products by 2027, leave-on products by 2029+. Residual styrene monomer (IARC Group 2B possible carcinogen) must be controlled below specified limits in finished product.
Frequently Asked Questions
Is Polystyrene safe in cosmetics?
Solid particulate polystyrene is restricted under EU Regulation 2023/2055 (microplastics restriction) with transition periods: rinse-off products by 2027, leave-on products by 2029+. Residual styrene monomer (IARC Group 2B possible carcinogen) must be controlled below specified limits in finished product. The EU classifies Polystyrene as "restricted". Safety rating: GOOD.
Is Polystyrene allowed in the EU?
Polystyrene EU regulatory status: restricted. This is based on EU Regulation 1223/2009 and its amendments.
What does Polystyrene do in cosmetics?
Polystyrene functions as: Film Former, Viscosity Controlling, Bulking Agent. It is classified as a cosmetic ingredient in our database. CAS number: 9003-53-6.
What is the Margin of Safety for Polystyrene?
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.
Compliance Tools
Check Polystyrene compliance across multiple jurisdictions:
Related Ingredients
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