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TEA-LAURYL ASPARTATE.

Avoid / SURFACTANT - CLEANSING

TEA-LAURYL ASPARTATE is an amino acid-derived surfactant and cleansing agent. It effectively reduces surface tension, facilitating thorough cleansing and robust foam formation, while also offering hair conditioning benefits. Its amino acid structure contributes to its ultra-mild properties in formulations.

Summary

Cleansing Agent Surfactant Foaming Agent Emulsifier Hair Conditioning Agent

Science

Mechanism of Action

As an amino acid surfactant, TEA-LAURYL ASPARTATE operates by significantly lowering the surface tension between various substances, which is crucial for efficient cleansing and emulsification. This action allows for the effective removal of impurities and the creation of stable product emulsions. Furthermore, it aids in improving hair texture and manageability through its conditioning properties. Its inherent mildness, characteristic of amino acid surfactants, minimizes potential irritation during use.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH 6 – 10
0 7 14

Stability

TEA-LAURYL ASPARTATE demonstrates stability across a broad pH range, specifically between pH 6.0 and 10.0. For optimal foam stability, a pH of 6.0-7.0 is preferable, while maximal foaming and emulsifying capabilities are observed between pH 8.0-10.0. Extreme acidic or basic conditions may compromise its stability.

Conflicts

  • strong oxidants (risk of burning)
  • nitrosating environments (risk of N-nitroso compound formation)

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed amino acid alkyl amides, including related aspartate compounds, safe for cosmetic use when precisely formulated to be non-irritating. A critical restriction is its absolute avoidance in environments conducive to N-nitroso compound formation, as the triethanolamine component can react with nitrous acid to yield carcinogenic nitrosamines. In its concentrated solid form, it presents an irritation risk to skin, eyes, and the respiratory system. Its use in children's products intended for prolonged skin contact is not advised. While a specific maximum concentration for TEA-LAURYL ASPARTATE is not established, the concentration of general triethanolamine-containing ingredients in prolonged-contact products should not exceed 5%.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Avoid

The inherent risk of carcinogenic nitrosamine formation under specific conditions, coupled with moderate irritancy concerns, renders TEA-LAURYL ASPARTATE unsuitable for precision skincare formulations.

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