Isolaureth-4 Phosphate

INCI: ISOLAURETH-4 PHOSPHATE

CAS Number
Not widely published (proprietary/variable; no single universally cited CAS)
Function
Surfactant, emulsifying agent. The phosphate ester group adds anionic character, improving emulsification and cleansing performance
Safety Rating
MODERATE

Regulatory Status

๐Ÿ‡ช๐Ÿ‡บ EU Status permitted
๐Ÿ‡บ๐Ÿ‡ธ US Status permitted
US Notes Allowed - not specifically prohibited or restricted for cosmetic 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

Similar PEG-class concerns (trace 1,4-dioxane, ethylene oxide). The phosphate ester moiety is generally mild but may slightly lower pH; standard patch-testing recommended for sensitive-skin products. Combines the non-ionic surfactant backbone of Isolaureth-4 with a phosphate ester group, yielding an anionic emulsifier. This enhances compatibility with electrolyte-containing formulations and improves foam quality

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Concern Level: Moderate

Frequently Asked Questions

Is Isolaureth-4 Phosphate safe in cosmetics?

Similar PEG-class concerns (trace 1,4-dioxane, ethylene oxide). The phosphate ester moiety is generally mild but may slightly lower pH; standard patch-testing recommended for sensitive-skin products. Combines the non-ionic surfactant backbone of Isolaureth-4 with a phosphate ester group, yielding an anionic emulsifier. This enhances compatibility with electrolyte-containing formulations and improves foam quality The EU classifies Isolaureth-4 Phosphate as "permitted". Safety rating: MODERATE.

Is Isolaureth-4 Phosphate allowed in the EU?

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

What does Isolaureth-4 Phosphate do in cosmetics?

Isolaureth-4 Phosphate functions as: Surfactant, emulsifying agent. The phosphate ester group adds anionic character, improving emulsification and cleansing performance. It is classified as a cosmetic ingredient in our database. CAS number: Not widely published (proprietary/variable; no single universally cited CAS).

What is the Margin of Safety for Isolaureth-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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