Is Polyurethane-34 safe in cosmetics?
Polyurethane-34 has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Polyurethane-34
INCI: POLYURETHANE-34
Polyurethane-34 (CAS 25214-14-6) is a cosmetic cosmetic ingredient functioning as Polyurethane film-forming agent; waterproof sunscreen adhesion enhancer;. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 25214-14-6 →
Auto-generated CPSR Part A draft with source citations
Function
Polyurethane film-forming agent; waterproof sunscreen adhesion enhancer; flexible all-day wear polymer
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Used as a cosmetic film-forming ingredient
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Polyurethane-34.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
2 property records from structured ingredient metadata.
polymer
{"ingredient_class": "film_former/waterproofing_agent", "polymer_type": "polyurethane", "chemical_backbone": "urethane", "molecular_weight_Da_range": "25000-100000", "molecular_weight_distribution_PDI": "2.2-3.8", "glass_transition_temp_Tg_C": "45-65", "crystallinity_pct": "5-20", "crosslink_density": "moderate", "branching_degree": "high", "ionic_character": "anionic", "charge_density_meq_g": "3.…
rheology
{"cas_number": "860388-66-7", "rheology_modifier_type": "Synthetic Polymer - HEUR", "thickening_mechanism": "Hydrophobic association with surfactant micelles", "viscosity_increase_factor": "15000-60000x", "brookfield_viscosity_typical_cps": "28000-70000", "shear_thinning_behavior": "Excellent", "thixotropic": "Yes", "yield_stress_pa": "18-45", "flow_curve_type": "Pseudoplastic", "optimal_ph_range"…
Expert Verdict
Expert safety assessment and concern-level summary for Polyurethane-34.
Regulatory Flags
film-former
water-resistant
sunscreen-booster
polyurethane
Chemical Function
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Polyurethane-34 allowed in the EU?
Polyurethane-34 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Polyurethane-34 do in cosmetics?
Polyurethane-34 functions as: Polyurethane film-forming agent; waterproof sunscreen adhesion enhancer; flexible all-day wear polymer. It is classified as a cosmetic ingredient in our database. CAS number: 25214-14-6.
Compliance Tools
Check Polyurethane-34 compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
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Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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Not Reported
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