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TEA-LAUROYL/MYRISTOYL ASPARTATE.

Valuable / CLEANSING, HAIR CONDITIONING, SURFACTANT - CLEANSING

TEA-LAUROYL/MYRISTOYL ASPARTATE is an amino acid-derived surfactant functioning as a cleansing agent, emulsifier, and solubilizer. It efficiently reduces surface tension, aiding in the removal of impurities and enhancing product texture. Its use requires adherence to specific concentration limits and formulation precautions.

Summary

Surfactant Cleansing Agent Emulsifier Dispersing Agent Wetting Agent Solubilizing Agent Hair Conditioning Agent

Science

Mechanism of Action

As a surfactant, TEA-LAUROYL/MYRISTOYL ASPARTATE operates by significantly lowering the surface tension within cosmetic formulations, thereby improving their consistency and spreadability. On the skin, it actively works to emulsify and lift dirt, sebum, and other impurities from the stratum corneum, facilitating their removal during cleansing. It also contributes to hair conditioning.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The provided research does not indicate that TEA-LAUROYL/MYRISTOYL ASPARTATE is commonly 'dusted' or associated with specific 'dusting' phenomena. However, stringent purity requirements and concentration limits are critical for its safe use.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

The ingredient is reported to maintain stability under typical formulation conditions.

Conflicts

  • Formulations containing N-nitrosating agents are strictly contraindicated due to the potential formation of carcinogenic nitrosamines from secondary amine impurities.
  • Direct contact with strong oxidants should be avoided, particularly in its solid form, to prevent exothermic reactions.
  • Not recommended for children's products intended for direct, prolonged skin contact or for children's cleaning products such as shampoos, due to specific regulatory restrictions.

Safety

Safety Profile

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

The Cosmetic Ingredient Review (CIR) Expert Panel has deemed TEA-LAUROYL/MYRISTOYL ASPARTATE safe for use in cosmetic formulations designed for brief, discontinuous contact followed by thorough rinsing. For products with prolonged skin contact, the total concentration of ethanolamines (including the TEA component) should not exceed 5%. Under EU regulations (EC) No 1223/2009, a maximum concentration of 2.5% (as triethanolamine) is permitted in leave-on products. Raw materials must adhere to strict purity standards, with a maximum secondary amine content of 0.5% and nitrosamine content not exceeding 50μg/kg, and packaging must be nitrite-free. Its use is prohibited in conjunction with N-nitrosating agents due to the risk of carcinogenic nitrosamine formation. This ingredient is also a restricted component in China's Safety and Technical Standards for Cosmetics (2015 Edition).

Your Skin

Skin Compatibility

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Unknown
Comedogenicity Unknown

Our Assessment

Verdict

Valuable

TEA-LAUROYL/MYRISTOYL ASPARTATE is a valuable multi-functional surfactant, particularly suited for rinse-off and specific leave-on formulations, provided rigorous adherence to defined concentration limits and strict avoidance of nitrosating agents.

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