Moderate Cosmetic Ingredient

Isolaureth-3

INCI: ISOLAURETH-3

CAS Number
Listed in PubChem under CID 87268923 (CAS may vary by supplier grade)
Function
Surfactant (cleansing), surfactant (emulsifying), emollient
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Allowed - reviewed by CIR (International Journal of Toxicology 31(Suppl. 2):169-244, 2012) and found safe under present conditions of use

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

Safety Data

Margin of Safety (MoS)
not established
Dermal Absorption
low
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

Same PEG-class concerns regarding potential trace 1,4-dioxane and ethylene oxide residues. The CIR safety assessment (2005, Fruijtier-Pölloth) on PEGs and derivatives supports safe use. A PEG-3 ether of isolauryl alcohol with only 3 ethylene oxide units - lower HLB compared to Isolaureth-10, making it more lipophilic and suitable as a co-emulsifier or mild cleansing agent

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Concern Level: Moderate

Frequently Asked Questions

Is Isolaureth-3 safe in cosmetics?

Same PEG-class concerns regarding potential trace 1,4-dioxane and ethylene oxide residues. The CIR safety assessment (2005, Fruijtier-Pölloth) on PEGs and derivatives supports safe use. A PEG-3 ether of isolauryl alcohol with only 3 ethylene oxide units - lower HLB compared to Isolaureth-10, making it more lipophilic and suitable as a co-emulsifier or mild cleansing agent The EU classifies Isolaureth-3 as "permitted". Safety rating: MODERATE.

Is Isolaureth-3 allowed in the EU?

Isolaureth-3 EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Isolaureth-3 do in cosmetics?

Isolaureth-3 functions as: Surfactant (cleansing), surfactant (emulsifying), emollient. It is classified as a cosmetic ingredient in our database. CAS number: Listed in PubChem under CID 87268923 (CAS may vary by supplier grade).

What is the Margin of Safety for Isolaureth-3?

not established 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.

Compliance Tools

Check Isolaureth-3 compliance across multiple jurisdictions:

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Ingredient Decoder
Paste a full ingredient list for instant analysis
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82 Allergen Checker
Check for EU declarable fragrance allergens
 🧪
Substance Compliance
Check compliance across 55 jurisdictions
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MoS Calculator
Calculate Margin of Safety using SCCS methodology
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Heavy Metal Limits
Compare limits across jurisdictions

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