Regulatory Status
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Safety Data
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Expert Verdict
Supplied as aqueous dispersion; confirm absence of residual HDI (hexamethylene diisocyanate). pH-insensitive and electrolyte-tolerant, advantageous for formulation stability.
Frequently Asked Questions
Is Polyurethane-39 safe in cosmetics?
Supplied as aqueous dispersion; confirm absence of residual HDI (hexamethylene diisocyanate). pH-insensitive and electrolyte-tolerant, advantageous for formulation stability. The EU classifies Polyurethane-39 as "permitted". Safety rating: GOOD.
Is Polyurethane-39 allowed in the EU?
Polyurethane-39 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Polyurethane-39 do in cosmetics?
Polyurethane-39 functions as: Viscosity controlling (rheology modifier); non-ionic associative thickener — copolymer of PEG-140 and HDI end-capped with C12-14 Pareth-10, C16-18 Pareth-11, and C18-20 Pareth-11. It is classified as a cosmetic ingredient in our database. CAS number: EC Number 618-449-1; CAS 25036-33-3 referenced but this is a general polyurethane identifier — specific CAS not confirmed for this copolymer.
What is the Margin of Safety for Polyurethane-39?
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
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Related Ingredients
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