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Moumoujus

DEA-MYRISTYL SULFATE.

Questionable CAS 65104-61-2 / CLEANSING, FOAMING, SURFACTANT - CLEANSING

DEA-Myristyl Sulfate serves as an anionic surfactant, primarily utilized for its cleansing and emulsifying properties in personal care products. It effectively lowers surface tension to blend immiscible liquids and aids in the removal of impurities from skin and hair. However, its inclusion necessitates rigorous formulation controls to prevent the formation of harmful N-nitroso compounds.

Summary

Surfactant Cleansing Agent Emulsifier

Science

Mechanism of Action

This ingredient functions by reducing the interfacial tension between diverse phases within a cosmetic system, such as oil and water. As a surfactant, it enables the emulsification of lipid-soluble substances and facilitates their dispersion and subsequent removal from surfaces, contributing to effective cleansing and robust foam generation.

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 N/A
0 7 14

Stability

The presence of diethanolamine (DEA) in this compound mandates that formulators scrupulously avoid the inclusion of any nitrosating agents within the product. This preventive measure is critical to avert the potential synthesis of N-nitroso compounds, which are known to be carcinogenic.

Conflicts

  • Nitrosating agents (due to potential for N-nitroso compound formation)

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Unknown

The CIR Expert Panel has deemed DEA and its related salts, including DEA-Myristyl Sulfate, safe for use under current practices and concentrations, provided formulations are meticulously crafted to be non-irritating. A paramount restriction is the absolute prohibition of co-formulation with nitrosating agents, which could lead to the undesirable formation of N-nitroso compounds. While other myristyl sulfates have FDA recognition for different applications, this status does not extend to DEA-Myristyl Sulfate in cosmetic use.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

While effective as a surfactant and emulsifier, DEA-Myristyl Sulfate is a questionable ingredient for precision skincare due to the critical safety requirement of preventing N-nitroso compound formation and the absence of specific concentration guidelines.

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