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Moumoujus

SODIUM C9-22 ALKYL SEC SULFONATE.

Questionable CAS 68188-18-1 / CLEANSING, FOAMING, SURFACTANT - CLEANSING

SODIUM C9-22 ALKYL SEC SULFONATE is an anionic surfactant engineered to reduce surface tension, enabling the effective mixing of oil and water. It functions primarily as a potent cleansing agent, facilitating the removal of impurities, and contributes to robust foam generation in formulations.

Summary

cleansing foaming surfactant emulsifier

Science

Mechanism of Action

This ingredient acts as a surfactant by lowering the surface tension of liquids, which is crucial for emulsifying oil and water. In cosmetic applications, it actively cleanses by detaching and washing away fat and soil particles from skin, hair, or teeth. While effective as a foaming agent and emulsifier, anionic surfactants such as this one can potentially compromise the skin's barrier function through interactions with stratum corneum lipids and proteins.

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 7.5 – 10
0 7 14

Stability

The ingredient demonstrates stability across a pH range of 7.5 to 10.0 when in a 1% solution and is generally chemically stable in both acidic and alkaline environments.

Conflicts

  • strong oxidants (can cause to burn)

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Unknown

Direct Cosmetic Ingredient Review (CIR) status for SODIUM C9-22 ALKYL SEC SULFONATE is currently unavailable. While related Sodium α-Olefin Sulfonates have been deemed safe for rinse-off products and limited to 2% in leave-on applications, this ingredient specifically carries a moderate risk of irritation to the skin, eyes, and respiratory system. Due to its potential to compromise the skin barrier and cause irritation, its use is generally advised against in products intended for children. Formulations incorporating this ingredient must be meticulously designed to ensure non-irritating profiles.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Questionable

While effective as a cleansing and foaming surfactant, its moderate irritation potential, capacity to compromise the skin barrier, and insufficient specific safety data warrant careful consideration and make its inclusion in precision skincare formulations questionable.

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