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SODIUM LAURETH-17 CARBOXYLATE.

Insufficient Data CAS 33939-64-9 / CLEANSING, FOAMING, SURFACTANT - CLEANSING

Sodium Laureth-17 Carboxylate is an anionic surfactant primarily valued for its cleansing, foaming, and emulsifying capabilities. It efficiently reduces surface tension to aid in the removal of impurities, exhibiting a low irritancy profile and potential for enhanced mildness when formulated in blends.

Summary

surfactant cleansing foaming emulsifying

Science

Mechanism of Action

This ingredient functions as a surfactant by lowering the surface tension between product components or between a product and the skin. Its molecular structure features both hydrophilic and hydrophobic regions, enabling it to attract and encapsulate dirt, oils, and other impurities from the skin's surface, allowing them to be easily rinsed off. Additionally, it stabilizes product formulations as an emulsifying agent and contributes to rich, stable lather as a foaming agent.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 In a skin soak test, a 5% detergent solution containing Sodium Laureth Carboxylate (AEC) blended with SLES and Lauryl Glucoside demonstrated superior mildness compared to SLES or soap alone, showing no significant decrease in cutaneous hydration and reduced induction of erythema or dryness. A 4-week controlled usage study of a body cleanser featuring this blend also revealed no significant changes in skin conductance or corneocyte texture, yet visual assessment noted a significant decrease in scaling and erythema on the lower thigh, accompanied by improved consumer discomfort.

Transparency

Dusting Analysis

Not commonly dusted

No data is available to suggest common dusting practices or specific thresholds for this ingredient in cosmetic formulations.

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

Offers pH-independent foam stability, providing greater formulation flexibility and contributing to enhanced, longer-lasting, and more luxurious foam in rinse-off products.

Synergies

  • Demonstrates enhanced mildness and performance when formulated in synergistic blends with other surfactants like Sodium Laureth Sulfate (SLES) and Lauryl Glucoside.

Conflicts

  • Cationic surfactants (based on general anionic surfactant properties).

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has evaluated related compounds like Sodium Laureth Sulfate, suggesting use only in nonirritating formulations. However, a specific CIR assessment for 'SODIUM LAURETH-17 CARBOXYLATE' is not yet available, nor are specific SCCS opinions or FDA statuses for this exact ingredient.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Insufficient Data

Sodium Laureth-17 Carboxylate offers valuable cleansing and foaming properties with demonstrated potential for mildness when integrated into well-formulated surfactant blends; however, comprehensive safety data specific to this ingredient remains insufficient for an isolated verdict.

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