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Moumoujus

DEA-PERFLUOROHEXYL ETHYLPHOSPHATES.

Avoid / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

A complex synthetic fluorinated surfactant and emulsifier used to impart water-repellent properties and enhance the structural integrity of cosmetic films. It belongs to the PFAS family, often utilized for its ability to create a smooth, glossy finish on the skin and hair.

Summary

Surfactant Emulsifying agent Cleansing agent Conditioning agent Texture modifier

Science

Mechanism of Action

This ingredient functions by reducing the surface tension of formulations, allowing for the stable emulsification of disparate phases. As a per- and polyfluoroalkyl substance (PFAS), it forms a hydrophobic and oleophobic barrier on the skin's surface, which significantly boosts the durability and 'waterproof' nature of products while modifying the final texture for a silkier feel.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

This ingredient is typically used for its functional surfactant properties rather than active claims; however, its presence at any level is increasingly scrutinized due to environmental and health safety profiles.

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

Possesses unique stability due to the carbon-fluorine bonds typical of PFAS, which are resistant to thermal and chemical degradation.

Conflicts

  • Nitrosating agents

Safety

Safety Profile

CIR Status
Not reviewed
Pregnancy
Caution
Sensitization risk Moderate

Significant safety concerns exist. It contains Diethanolamine (DEA), which is banned in Europe and Canada due to potential carcinogenic nitrosamine formation. Furthermore, as a PFAS, it is subject to the Modernization of Cosmetics Regulation Act (MoCRA) for safety reassessment due to environmental persistence and toxicity concerns. DEA is also listed under California's Proposition 65.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Avoid

While effective for creating long-wear textures, its association with PFAS environmental persistence and the potential for carcinogenic nitrosamine formation from the DEA component makes it a high-risk ingredient.

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