Good Cosmetic Ingredient NOAEL Data SCCS/CIR Reviewed

Laureth-50

Also known as: alpha-Dodecyl-omega-hydroxypoly(oxyethylene), Polyoxyethylene lauryl ether, Dodecyl poly(oxyethylene) ether, Poly(oxy-1,2-ethanediyl), alpha-dodecyl-omega-hydroxy-, EC No.: 500-002-6 (+14 more)

INCI: LAURETH-50

Laureth-50 (CAS 9002-92-0) is a cosmetic cosmetic ingredient functioning as Surfactant – emulsifying agent, surfactant – cleansing, fragrance functional. NOAEL 100 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: permitted; 5 safety opinions reviewed (cir). Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.

View industrial chemical safety profile for CAS 9002-92-0 →

Auto-generated CPSR Part A draft with source citations
Function
Surfactant – emulsifying agent, surfactant – cleansing, fragrance functional
Safety Rating
GOOD

Chemistry & Identifiers

EC Number
500-002-6

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted – no specific CFR restriction; CIR-reviewed 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 Laureth-50.

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

10 study endpoints found for Laureth-50. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.

Endpoint Value Route Species Study Type Source
NOAEL =7 mg/kg oral rat repeated dose toxicity CIR_vision_codex
NOAEL =7 mg/kg oral rat repeated dose toxicity CIR_vision_codex
NOAEL =7 mg/kg oral rat repeated dose toxicity CIR_vision_codex
NOAEL =7 mg/kg oral rat repeated dose toxicity CIR_vision_codex
NOAEL =190 mg/kg oral rat oral toxicity CIR_vision_codex
NOAEL =190 mg/kg oral rat oral toxicity CIR_vision_codex
NOAEL =190 mg/kg oral rat oral toxicity CIR_vision_codex
NOAEL =190 mg/kg oral rat oral toxicity CIR_vision_codex
NOAEL =300 mg/kg - - NOAEL study CIR_vision_codex
NOAEL =300 mg/kg - - NOAEL study CIR_vision_codex

Safety Opinions

Official safety assessments from the Scientific Committee on Consumer Safety (SCCS) and Cosmetic Ingredient Review (CIR).

cir
Verdict: safe
NOAEL: 1.6 g/kg (oral)

polated from the existing data to support safety. The Panel concluded that the Alkyl PEG ethers are safe as used when formulated to be nonirritating, and the same applies to future alkyl PEG ether cosmetic ingredients that vary from those ingredients recited herein only by the number of ethylene glycol

cir
Verdict: safe
NOAEL: 400 mg/kg (not specified)

polated from the existing data to support safety. The Panel concluded that the Alkyl PEG ethers are safe as used when formulated to be nonirritating, and the same applies to future alkyl PEG ether cosmetic ingredients that vary from those ingredients recited herein only by the number of ethylene glycol

cir
Verdict: safe
NOAEL: 1200 mg/kg (not specified)

polated from the existing data to support safety. The Panel concluded that the Alkyl PEG ethers are safe as used when formulated to be nonirritating, and the same applies to future alkyl PEG ether cosmetic ingredients that vary from those ingredients recited herein only by the number of ethylene glycol

cir
Verdict: safe
NOAEL: 4000 mg/kg (dermal)

polated from the existing data to support safety. The Panel concluded that the Alkyl PEG ethers are safe as used when formulated to be nonirritating, and the same applies to future alkyl PEG ether cosmetic ingredients that vary from those ingredients recited herein only by the number of ethylene glycol

cir
Verdict: safe
NOAEL: 1650 mg/kg bw (not specified)

polated from the existing data to support safety. The Panel concluded that the Alkyl PEG ethers are safe as used when formulated to be nonirritating, and the same applies to future alkyl PEG ether cosmetic ingredients that vary from those ingredients recited herein only by the number of ethylene glycol

Pre-Calculated Safety Assessment

Pre-calculated NOAEL → SED → MoS audit trail for Laureth-50 across SCCS product categories, with measured dermal absorption where available.

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
10 - 100 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Anti-static agent Cleaning agent Degradant/impurity Deodorizer Dispersing agent Emulsifier Fragrance Heat stabilizer Humectant No specific technical function
Regulatory List Membership (4)
EU Restricted for Children (Cosmetics) IFRA Fragrance Transparency List EPA Safer Chemical Ingredients List (SCIL) FDA Indirect Food Contact Additives

Expert Verdict

Expert safety assessment and concern-level summary for Laureth-50.

Regulatory Flags

fragrance-component eu_children_restricted epa_safer_alternative ifra_fragrance

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Laureth-50 by CAS number or substance name.

Studies
55
Lowest NOAEL
1
Highest NOAEL
4000

Units vary across source rows: mg/kg bw/day, mg/kg, mg/kg bw

ToxValDB_ECHA_IUCLID FDA_Toxicity_652075c3-23dd-4b58-b6b0-8a16302f8993_dossier.i6z CIR_vision_codex

Known Synonyms

alpha-Dodecyl-omega-hydroxypoly(oxyethylene) Polyoxyethylene lauryl ether Dodecyl poly(oxyethylene) ether Poly(oxy-1,2-ethanediyl), alpha-dodecyl-omega-hydroxy- EC No.: 500-002-6 Dodecyl alcohol, ethoxylated Poly(oxy-1,2-ethanediyl), .alpha.-dodecyl-.omega.-hydroxy- Ethoxylated dodecyl alcohol Atlas G-2133 Atlas G-3705 Dodecanol, ethoxylate Noniolite AL 20 alpha-Dodecyl-omega-hydroxypoly(oxy-1,2-ethanediyl) Adeka Carpol M 2 Atossisclerol Nonaethyleneglycol monododecyl ether Polyoxyethylene 9-lauryl ether Polyoxyethylenedodecyl ether UNII-6HQ855798J

Chemical Function

Surfactant (surface active agent)

Regulatory Lists

active_ingredient; Pesticides SCIL (9/2019) Europe; Specialty occupational products Indirect additives food contact (10/2018) pharmaceutical pharmaceutical Canada; pharmaceutical IFRA Transparency Canada; consumer_product; Substances in Products - Canada (4/2014) inert_ingredient; non_food_use; Pesticides inert_ingredient; Pesticides Europe; Personal care - body hygiene - hand soap children; Europe; Personal care children; Europe; Personal care - specialized bath products - bubble bath Europe; Personal care - body hygiene - hand soap pharmaceutical

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
polidocanol
ChEMBL ID
CHEMBL1231723
Adverse Event Associations
59
View full pharmaceutical profile →

Frequently Asked Questions

Is Laureth-50 safe in cosmetics?

Laureth-50 has a safety rating of "GOOD" in our database. EU status: permitted. US status: permitted. 10 toxicological study endpoint(s) are available in our database. This ingredient has been reviewed by cir.

Is Laureth-50 allowed in the EU?

Laureth-50 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Laureth-50 do in cosmetics?

Laureth-50 functions as: Surfactant – emulsifying agent, surfactant – cleansing, fragrance functional. It is classified as a cosmetic ingredient in our database. CAS number: 9002-92-0.

What is the NOAEL for Laureth-50?

The NOAEL (No Observed Adverse Effect Level) for Laureth-50 is =7 mg/kg based on a repeated dose toxicity study via oral route in rat. A total of 10 study endpoints are available. Source: CIR_vision_codex.

Is Laureth-50 used outside cosmetics?

Laureth-50 also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

Does Laureth-50 have different safety status in cosmetics vs industrial chemicals?

Laureth-50 is classified GHS Danger (H302, H315, H318, H319, H400, H412) in the chemicals database but is allowed in EU cosmetics.

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