Is Steareth-10 safe in cosmetics?
Steareth-10 has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
Good
Cosmetic Ingredient
Steareth-10
INCI: STEARETH-10
Steareth-10 (CAS 9005-00-9 (same parent CAS; specific: 13149-86-5)) is a cosmetic cosmetic ingredient functioning as Emulsifier (O/W), surfactant, solubilizer. 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 (same parent CAS; specific: 13149-86-5) →
Auto-generated CPSR Part A draft with source citations
CAS Number
9005-00-9 (same parent CAS; specific: 13149-86-5)
View industrial chemical safety profile →
Function
Emulsifier (O/W), surfactant, solubilizer
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Not restricted; CIR reviewed — safe as used
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-10.
Calculate MoS for your specific formulation with the MoS Calculator.
Additional Ingredient Properties
4 property records from structured ingredient metadata.
emulsifier
{"cas_number": "9005-00-9", "ingredient_class": "O/W_emulsifier", "chemical_type": "ethoxylated_fatty_alcohol", "HLB_value": "5.1", "HLB_required_for_oil_phase": "3-7", "emulsion_type_primary": "O/W", "droplet_size_typical_um": "2-5", "surface_tension_reduction_mN_m": "23", "interfacial_tension_reduction": "28", "foam_formation": "moderate", "foam_stability": "moderate", "liquid_crystal_formation"…
emulsion_hlb
{"hlb_value": "12.4", "hlb_required_as_emulsifier": "yes", "emulsifier_type": "o_w", "critical_packing_parameter": "0.25-0.35", "phase_inversion_temperature_c": "75-82", "emulsion_stabilization_mechanism": "steric_stabilization", "co_emulsifier_pairs": "cetyl_alcohol,glyceryl_stearate", "optimal_oil_phase_pct": "6-18", "optimal_water_phase_pct": "82-94", "electrolyte_tolerance": "moderate", "pH_em…
solubility_hlb
{"water_soluble": "partial", "oil_soluble": "yes", "hlb_value": "12.4", "soluble_in": "water, oils, ethanol", "insoluble_in": "glycerin", "log_p": "1.1", "melting_point_c": "38-42", "appearance": "white flakes", "source": "Croda"}
surfactant
{"cas_number": "9005-00-9", "surfactant_type": "nonionic", "chemical_class": "ethoxylate", "charge_at_use_ph": "neutral", "cmc_critical_micelle_concentration_mm": "0.04536759990004552", "hlb_value": "15.0", "foam_volume_ml_ross_miles": "81", "foam_quality": "airy", "foam_stability_5min_pct": "73", "cleansing_power_rating_1_to_10": "6.091026874783711", "oil_emulsification_capacity": "good", "sebum_…
Expert Verdict
Expert safety assessment and concern-level summary for Steareth-10.
Frequently Asked Questions
Is Steareth-10 allowed in the EU?
Steareth-10 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Steareth-10 do in cosmetics?
Steareth-10 functions as: Emulsifier (O/W), surfactant, solubilizer. It is classified as a cosmetic ingredient in our database. CAS number: 9005-00-9 (same parent CAS; specific: 13149-86-5).
Compliance Tools
Check Steareth-10 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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