Is Undeceth-40 safe in cosmetics?
Undeceth-40 has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
EXCELLENT
Cosmetic Ingredient
Undeceth-40
INCI: UNDECETH-40
Undeceth-40 (CAS 34398-01-1 (generic CAS for undecyl alcohol ethoxylates)) is a cosmetic cosmetic ingredient functioning as Emulsion stabilising, skin conditioning, surfactant (cleansing). EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
CAS Number
34398-01-1 (generic CAS for undecyl alcohol ethoxylates)
View industrial chemical safety profile →
Function
Emulsion stabilising, skin conditioning, surfactant (cleansing)
Editorial assessment
EXCELLENT
Preliminary editorial note — not a computed safety verdict.
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted; CIR (Cosmetic Ingredient Review) has reviewed this 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 Undeceth-40.
Calculate MoS for your specific formulation with the MoS Calculator.
Editorial summary
Preliminary editorial summary for Undeceth-40 — not a computed safety verdict. See the sourced toxicological data above.
Frequently Asked Questions
Is Undeceth-40 allowed in the EU?
Undeceth-40 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Undeceth-40 do in cosmetics?
Undeceth-40 functions as: Emulsion stabilising, skin conditioning, surfactant (cleansing). It is classified as a cosmetic ingredient in our database. CAS number: 34398-01-1 (generic CAS for undecyl alcohol ethoxylates).
Compliance Tools
Check Undeceth-40 compliance across multiple jurisdictions:
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Substance Compliance
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MoS Calculator
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Heavy Metal Limits
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