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SODIUM METHYL LAURATE SULFONATE.

Valuable CAS 4016-21-1 / CLEANSING, SURFACTANT - CLEANSING

Sodium Methyl Laurate Sulfonate is a plant-derived anionic surfactant sourced from coconut fatty acids. It functions as a mild yet effective cleansing, foaming, and emulsifying agent, known for creating a rich lather while gently removing impurities.

Summary

Cleansing Surfactant Foaming

Science

Mechanism of Action

This ingredient operates by lowering the surface tension of the stratum corneum, the skin's outermost layer. This reduction in surface tension efficiently solubilizes and facilitates the removal of dirt, excess oil, and other impurities from the skin and hair, enhancing the cleansing experience with a luxurious lather.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

As a liquid surfactant, Sodium Methyl Laurate Sulfonate is not typically associated with dusting concerns in its raw material form.

The Formula

Formulation

Solubility
Water
Optimal pH 4 – 9
0 7 14

Stability

Sodium Methyl Laurate Sulfonate demonstrates excellent stability across a pH range of 4.0 to 9.0, remaining stable in weak acidic, weak alkaline, and hard water conditions. However, it is susceptible to hydrolysis under strong acidic or strong alkaline environments. Careful control of Disodium 2-sulfolauric acid levels is crucial for product quality.

Synergies

  • other surfactants
  • electrolytes
  • polymers

Conflicts

  • strong acid
  • strong alkali

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has not provided a 'safe as used' or 'safe with restrictions' status due to insufficient data. While the concentrated raw material carries GHS classifications for serious eye damage (H318) and environmental aquatic harm (H412), in formulated cosmetic products, it is generally considered a mild and gentle surfactant with good skin tolerance. Adherence to recommended usage guidelines is advised, considering individual sensitivities.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

Sodium Methyl Laurate Sulfonate is a valuable, mild, plant-derived surfactant that effectively cleanses while providing a rich lather, making it suitable for a wide array of skin types and cleansing formulations.

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