Is Trideceth-18 safe in cosmetics?
Trideceth-18 has a safety rating of "EXCELLENT" in our database. EU status: permitted. US status: permitted.
Excellent
Cosmetic Ingredient
Trideceth-18
INCI: TRIDECETH-18
Trideceth-18 (CAS 24938-91-8 (generic trideceth series)) is a cosmetic cosmetic ingredient functioning as Surfactant (cleansing, emulsifying), fragrance functional. EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database.
View industrial chemical safety profile for CAS 24938-91-8 (generic trideceth series) →
Auto-generated CPSR Part A draft with source citations
Function
Surfactant (cleansing, emulsifying), fragrance functional
Safety Rating
EXCELLENT
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
CIR-reviewed under alkyl PEG ether family — safe as used when formulated to be nonirritating
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Trideceth-18.
Calculate MoS for your specific formulation with the MoS Calculator.
Expert Verdict
Expert safety assessment and concern-level summary for Trideceth-18.
Regulatory Flags
fragrance-component
Frequently Asked Questions
Is Trideceth-18 allowed in the EU?
Trideceth-18 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Trideceth-18 do in cosmetics?
Trideceth-18 functions as: Surfactant (cleansing, emulsifying), fragrance functional. It is classified as a cosmetic ingredient in our database. CAS number: 24938-91-8 (generic trideceth series).
Compliance Tools
Check Trideceth-18 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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