Is Steareth-4 safe in cosmetics?
Steareth-4 has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Steareth-4
INCI: STEARETH-4
Steareth-4 (CAS 9005-00-9 / 59970-10-4) is a cosmetic cosmetic ingredient functioning as Lipophilic non-ionic emulsifier; surfactant; wetting agent. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 9005-00-9 / 59970-10-4 →
Auto-generated CPSR Part A draft with source citations
Function
Lipophilic non-ionic emulsifier; surfactant; wetting agent
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
CIR-reviewed safe in present practices of use and concentration (original + 2006 reaffirmation)
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Steareth-4.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
1 property record from structured ingredient metadata.
emulsifier
{"cas_number": "9005-00-9", "ingredient_class": "O/W_emulsifier", "chemical_type": "ethoxylated_fatty_alcohol", "HLB_value": "4.3", "HLB_required_for_oil_phase": "2-6", "emulsion_type_primary": "O/W", "droplet_size_typical_um": "2-5", "surface_tension_reduction_mN_m": "21", "interfacial_tension_reduction": "26", "foam_formation": "moderate", "foam_stability": "moderate", "liquid_crystal_formation"…
Expert Verdict
Expert safety assessment and concern-level summary for Steareth-4.
Frequently Asked Questions
Is Steareth-4 allowed in the EU?
Steareth-4 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Steareth-4 do in cosmetics?
Steareth-4 functions as: Lipophilic non-ionic emulsifier; surfactant; wetting agent. It is classified as a cosmetic ingredient in our database. CAS number: 9005-00-9 / 59970-10-4.
Compliance Tools
Check Steareth-4 compliance across multiple jurisdictions:
Ingredient Decoder
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82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
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