Is Steareth-4 Stearate safe in cosmetics?
Steareth-4 Stearate has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted.
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Cosmetic Ingredient
Steareth-4 Stearate
INCI: STEARETH-4 STEARATE
Steareth-4 Stearate (CAS No unique CAS widely published; ester of Steareth-4 and stearic acid) is a cosmetic cosmetic ingredient functioning as Skin conditioning agent; surfactant – emulsifying agent (ester-type. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
Auto-generated CPSR Part A draft with source citations
CAS Number
No unique CAS widely published; ester of Steareth-4 and stearic acid
View industrial chemical safety profile →
Function
Skin conditioning agent; surfactant – emulsifying agent (ester-type co-emulsifier)
Safety Rating
GOOD
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted; falls under CIR alkyl PEG ether group review — safe when formulated to be non-irritating
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 Stearate.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Steareth-4 Stearate.
Frequently Asked Questions
Is Steareth-4 Stearate allowed in the EU?
Steareth-4 Stearate EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Steareth-4 Stearate do in cosmetics?
Steareth-4 Stearate functions as: Skin conditioning agent; surfactant – emulsifying agent (ester-type co-emulsifier). It is classified as a cosmetic ingredient in our database. CAS number: No unique CAS widely published; ester of Steareth-4 and stearic acid.
Compliance Tools
Check Steareth-4 Stearate 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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