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Moumoujus

SODIUM LAURETH-16 CARBOXYLATE.

Valuable / CLEANSING, SURFACTANT - CLEANSING

Sodium Laureth-16 Carboxylate is a gentle anionic surfactant employed for its effective cleansing properties and mild impact on the skin. It contributes to stable formulations and produces a desirable lather, aligning with precision skincare needs.

Summary

Cleansing Surfactant Emulsifying Foaming

Science

Mechanism of Action

This anionic surfactant operates through its dual hydrophilic and hydrophobic structure, enabling it to encapsulate and lift dirt, oil, and other surface impurities from the skin, facilitating their removal through rinsing. Additionally, it functions as an emulsifier to stabilize product formulations and generates foam for a satisfying cleansing experience.

Research

Clinical Evidence

Medium confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 A clinical study evaluating a detergent solution (which included Sodium Laureth Carboxylate) at a 5% concentration demonstrated a reduction in erythema and dryness when applied in soak tests, compared to Sodium Laureth Sulfate alone. A subsequent 4-week controlled usage study confirmed reduced scaling and erythema on the lower thigh in subjects with dry skin, indicating its contribution to the mildness and skin-benefiting properties of the formulation.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Stability

The foam generated by Sodium Laureth-16 Carboxylate remains stable regardless of the formulation's pH, offering significant flexibility in product development.

Synergies

  • Enhances the mildness profile of cleansing formulations when co-formulated with stronger anionic surfactants like Sodium Laureth Sulfate.

Conflicts

  • Generally incompatible with cationic compounds due to electrostatic interactions, although carboxylate-based anionic surfactants like this one exhibit weaker interactions compared to sulfate- and sulfonate-based counterparts.

Safety

Safety Profile

CIR Status
Not reviewed
Sensitization risk Unknown

Sodium Laureth-16 Carboxylate has not undergone direct safety assessment by the Cosmetic Ingredient Review (CIR). However, other 'Sodium Laureth' ingredients, such as Sodium Laureth Sulfate, have been deemed safe for use when formulated to be non-irritating. The Environmental Working Group (EWG) currently reports 'No Data' for various health concerns specifically for Sodium Laureth-16 Carboxylate.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

A valuable ingredient for its mild cleansing efficacy and contribution to stable, well-foaming formulations, particularly beneficial for sensitive and dry skin types.

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