Laureth-100

INCI: LAURETH-100

CAS Number
9002-92-0 (generic polyoxyethylene lauryl ether series)
Function
Emulsifier; surfactant; thickener/rheology modifier at very high EO count
Safety Rating
GOOD

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Permitted โ€” not restricted under 21 CFR. CIR alkyl PEG ether review covers future laureths varying only by EO units

For full compliance data across 55 jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
negligible
Sensitization
none

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

1,4-dioxane impurity presents elevated risk due to 100 moles EO; greater ethoxylation correlates with greater potential for residual dioxane. Very limited direct toxicological data at this specific EO level. Extremely rare in formulations.

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Concern Level: Moderate

Frequently Asked Questions

Is Laureth-100 safe in cosmetics?

1,4-dioxane impurity presents elevated risk due to 100 moles EO; greater ethoxylation correlates with greater potential for residual dioxane. Very limited direct toxicological data at this specific EO level. Extremely rare in formulations. The EU classifies Laureth-100 as "permitted". Safety rating: GOOD.

Is Laureth-100 allowed in the EU?

Laureth-100 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Laureth-100 do in cosmetics?

Laureth-100 functions as: Emulsifier; surfactant; thickener/rheology modifier at very high EO count. It is classified as a cosmetic ingredient in our database. CAS number: 9002-92-0 (generic polyoxyethylene lauryl ether series).

What is the Margin of Safety for Laureth-100?

adequate The Margin of Safety (MoS) is calculated using SCCS methodology. A MoS above 100 is generally considered safe. Use the MoS Calculator tool to calculate MoS for your specific formulation and product category.

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