Potassium Laureth-3 Carboxylate

INCI: POTASSIUM LAURETH-3 CARBOXYLATE

CAS Number
Not assigned
Function
Surfactant – Cleansing
Safety Rating
GOOD

Regulatory Status

🇪🇺 EU Status permitted
🇺🇸 US Status permitted
US Notes Not pre-approved; no specific CIR review. Class-level PEG safety assessment applies.

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

Safety Data

Margin of Safety (MoS)
adequate
Dermal Absorption
moderate
Sensitization
low

Calculate MoS for your specific formulation with the MoS Calculator.

Expert Verdict

1,4-dioxane contamination risk from ethoxylation; shorter ethoxylate chain may increase irritation potential relative to longer-chain homologues.

⚠️
Concern Level: Moderate

Frequently Asked Questions

Is Potassium Laureth-3 Carboxylate safe in cosmetics?

1,4-dioxane contamination risk from ethoxylation; shorter ethoxylate chain may increase irritation potential relative to longer-chain homologues. The EU classifies Potassium Laureth-3 Carboxylate as "permitted". Safety rating: GOOD.

Is Potassium Laureth-3 Carboxylate allowed in the EU?

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

What does Potassium Laureth-3 Carboxylate do in cosmetics?

Potassium Laureth-3 Carboxylate functions as: Surfactant – Cleansing. It is classified as a cosmetic ingredient in our database. CAS number: Not assigned.

What is the Margin of Safety for Potassium Laureth-3 Carboxylate?

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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