Polystearyl Methacrylate
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.
Expert Verdict
Residual free stearyl methacrylate monomer should be controlled in raw material specifications; methacrylate monomers are skin sensitizers. Polymer itself is inert.
Regulatory Flags
Frequently Asked Questions
Is Polystearyl Methacrylate safe in cosmetics?
Residual free stearyl methacrylate monomer should be controlled in raw material specifications; methacrylate monomers are skin sensitizers. Polymer itself is inert. The EU classifies Polystearyl Methacrylate as "permitted". Safety rating: GOOD.
Is Polystearyl Methacrylate allowed in the EU?
Polystearyl Methacrylate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Polystearyl Methacrylate do in cosmetics?
Polystearyl Methacrylate functions as: Film former. It is classified as a cosmetic ingredient in our database. CAS number: 25639-41-2 (most commonly referenced).
What is the Margin of Safety for Polystearyl Methacrylate?
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 Polystearyl Methacrylate compliance across multiple jurisdictions:
Related Ingredients
Is Polystearyl Methacrylate in Your Products?
Scan any product label with Piro โ our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free โAnalyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for Polystearyl Methacrylate in your formulation.