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LAURAMIDE.

Valuable CAS 1120-16-7 / VISCOSITY CONTROLLING

Lauramide, predominantly its derivatives such as DEA and MEA, functions as a nonionic surfactant, emulsifier, and foam booster. It is valued for its ability to enhance product texture by increasing viscosity and contributing to a soft, smooth skin feel. This ingredient is frequently incorporated into various cleansing and conditioning formulations.

Summary

Surfactant (nonionic) Emulsifying Emollient Foam Boosting Viscosity Controlling Mild Cleansing Antistatic (Lauramide MEA)

Science

Mechanism of Action

Lauramide (primarily its DEA and MEA derivatives) acts as a nonionic surfactant, effectively reducing the surface tension between water and oil components. This property makes it an efficient emulsifier and emulsion stabilizer, crucial for maintaining product integrity. It significantly enhances the foaming capacity and stability of formulations, yielding a rich lather. Furthermore, it serves as a viscosity increasing agent, thickening liquid products to provide a more substantial and luxurious feel. Lauramide DEA also contributes mild cleansing properties and can temper the harshness of more aggressive surfactants, promoting a soft, smooth sensation on the skin and hair.

Research

Clinical Evidence

Low confidence
Effective range 1–10%
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Oil
Optimal pH 4 – 11
0 7 14

Stability

Lauramide DEA demonstrates excellent stability across a broad pH range of 4 to 11. While stable in formulation, it is a combustible material.

Synergies

  • Other surfactants (to soften aggressive effects)

Conflicts

  • Strong oxidizing agents
  • Nitrosating agents (due to potential formation of carcinogenic nitrosamines)

Safety

Safety Profile

CIR Status
Safe as used with restrictions
Max tested
10%
Sensitization risk Moderate

The Cosmetic Ingredient Review (CIR) Expert Panel has determined Lauramide DEA to be safe for use at concentrations up to 10% in leave-on products and safe in rinse-off products, provided formulations are non-irritating and free diethanolamine levels are controlled. It is critical to avoid combining Lauramide DEA with nitrosating agents to prevent the formation of potentially carcinogenic nitrosamines. Lauramide MEA is generally safe at low concentrations, but higher levels, particularly in leave-on applications, may induce allergies or irritation. The FDA includes Fatty Acid Diethanolamides on its list of indirect food additives.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Lauramide is a valuable functional ingredient for formulations, acting as a surfactant, emulsifier, and texture enhancer, particularly suited for dry and sensitive skin when precisely formulated within established safety guidelines.

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