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Moumoujus

TEA-OLEYL SULFATE.

Questionable CAS - / CLEANSING, FOAMING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

TEA-Oleyl Sulfate serves as a surfactant, effectively reducing the surface tension of water to enhance the cleansing and foaming properties of cosmetic products. Its primary function is to facilitate the removal of impurities and oils, making it suitable for various wash-off formulations.

Summary

Surfactant Cleansing Agent Foaming Agent

Science

Mechanism of Action

This ingredient functions as an anionic surfactant, enabling it to lower the surface tension of water. This action facilitates the emulsification of oils and dirt, allowing them to be rinsed away more easily, while also promoting the generation of foam in cleansing products.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

No specific data regarding 'dusting' prevalence or thresholds for TEA-Oleyl Sulfate was found in the provided research.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

While a specific optimal pH range for TEA-Oleyl Sulfate's stability is not detailed, sulfates in general are known to exhibit greater stability in formulations with lower pH values.

Conflicts

  • N-nitrosating systems (strict avoidance is required due to the potential formation of harmful N-nitroso compounds/nitrosamines).

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
2.5%
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed TEA-Oleyl Sulfate safe for use when meticulously formulated to prevent irritation. A critical restriction is its absolute prohibition in cosmetic products where N-nitroso compounds could potentially form. The European Commission has set a maximum concentration limit of 2.5% for TEA-Oleyl Sulfate in leave-on products. Additionally, stringent purity standards mandate a minimum purity of 99%, with raw materials containing no more than 0.5% secondary amines and a maximum nitrosamine content of 50 µg/kg. While not holding a specific FDA approval status, it was listed in the FDA's Voluntary Cosmetic Registration Program (VCRP) in 2011, confirming its historical use in the cosmetic industry.

Your Skin

Skin Compatibility

Yes Normal
No Dry
Yes Oily
No Sensitive
Irritancy Moderate
Comedogenicity Moderate

Our Assessment

Verdict

Questionable

Due to its strict regulatory limitations regarding N-nitroso compound formation and specific purity requirements, coupled with a moderate potential for irritation and comedogenicity, TEA-Oleyl Sulfate presents significant formulation complexities for precision skincare.

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