Laneth-4 Phosphate

INCI: LANETH-4 PHOSPHATE

CAS Number
Not uniquely assigned (mixture; phosphate ester of PEG-4 lanolin alcohol ether)
Function
Surfactant – emulsifying agent; cleansing agent
Safety Rating
MODERATE

Regulatory Status

🇪🇺 EU Status prohibited
🇺🇸 US Status permitted
US Notes Permitted — not restricted under 21 CFR; no CIR monograph specific to this ingredient

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

Trace 1,4-dioxane from ethoxylation; no dedicated CIR review; limited independent toxicological data; phosphate ester moiety may alter skin interaction versus other laneths.

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Concern Level: Moderate

Frequently Asked Questions

Is Laneth-4 Phosphate safe in cosmetics?

Trace 1,4-dioxane from ethoxylation; no dedicated CIR review; limited independent toxicological data; phosphate ester moiety may alter skin interaction versus other laneths. The EU classifies Laneth-4 Phosphate as "prohibited". Safety rating: MODERATE.

Is Laneth-4 Phosphate allowed in the EU?

Laneth-4 Phosphate EU regulatory status: prohibited. This is based on EU Regulation 1223/2009 and its amendments.

What does Laneth-4 Phosphate do in cosmetics?

Laneth-4 Phosphate functions as: Surfactant – emulsifying agent; cleansing agent. It is classified as a cosmetic ingredient in our database. CAS number: Not uniquely assigned (mixture; phosphate ester of PEG-4 lanolin alcohol ether).

What is the Margin of Safety for Laneth-4 Phosphate?

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.

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