PEI-250
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 aziridine monomer present; skin sensitizer with potential for eye damage and aquatic toxicity.
Regulatory Flags
Frequently Asked Questions
Is PEI-250 safe in cosmetics?
Residual aziridine monomer present; skin sensitizer with potential for eye damage and aquatic toxicity. The EU classifies PEI-250 as "permitted". Safety rating: MODERATE.
Is PEI-250 allowed in the EU?
PEI-250 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does PEI-250 do in cosmetics?
PEI-250 functions as: Viscosity controlling; film forming. It is classified as a cosmetic ingredient in our database. CAS number: 9002-98-6.
What is the Margin of Safety for PEI-250?
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.
Compliance Tools
Check PEI-250 compliance across multiple jurisdictions:
Related Ingredients
Is PEI-250 in Your Products?
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.
Try Piro Free →Analyze Your Full Ingredient List
Paste any INCI list into the Decoder for instant safety analysis, or calculate the Margin of Safety for PEI-250 in your formulation.