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SODIUM C14-15 PARETH-PG SULFONATE.

Questionable / CLEANSING, SURFACTANT - CLEANSING

SODIUM C14-15 PARETH-PG SULFONATE is an anionic surfactant primarily valued for its robust cleansing, foaming, and emulsifying capabilities. It effectively reduces surface tension to dissolve and remove oil and dirt, making it particularly useful in rinse-off formulations.

Summary

Cleansing Agent Emulsifying Agent Dispersing Agent Wetting Agent Solubilizing Agent Foaming Agent Permeating Agent

Science

Mechanism of Action

Operating as an anionic surfactant, SODIUM C14-15 PARETH-PG SULFONATE works by decreasing the interfacial tension between water and oily residues on the skin. This action facilitates superior wetting, dispersing, solubilizing, and emulsifying properties, allowing impurities to be thoroughly mixed with water and rinsed away. It also contributes to effective foam generation.

Research

Clinical Evidence

Insufficient-data confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Commonly dusted
Min. effective
1%
Red flag below
2%

While functionally effective as a strong cleanser, SODIUM C14-15 PARETH-PG SULFONATE is generally considered harsh on the skin. Studies indicate predicted dermal irritation at concentrations as low as 1%, and its use in leave-on products is restricted to a maximum of 2% due to safety considerations. Its medium irritancy and comedogenicity potential, coupled with the necessity for strict impurity control, suggest it may be 'dust' for precision skincare formulations prioritizing gentleness, especially for sensitive skin types.

The Formula

Formulation

Solubility
Water
Optimal pH 4.5 – 9.5
0 7 14

Stability

The ingredient demonstrates stability within an optimal pH range of 4.5 to 9.5, typically observed in a 10% aqueous solution at 25°C.

Safety

Safety Profile

CIR Status
Safe with restrictions
Max tested
2%
Sensitization risk Moderate

The CIR Expert Panel deemed related Sodium Alpha-Olefin Sulfonates safe for rinse-off products and up to 2% in leave-on products. Key restrictions include limiting gamma sultone impurities to 10 ppm for unsubstituted alkane sultones, 1 ppm for chlorosultones, and 0.1 ppm for unsaturated sultones, as these impurities are linked to irritation and sensitization concerns. While absorption through normal skin is poor, it increases significantly through damaged skin.

Your Skin

Skin Compatibility

No Normal
No Dry
No Oily
No Sensitive
Irritancy Medium
Comedogenicity Medium

Our Assessment

Verdict

Questionable

Despite its efficacy as a cleansing surfactant, SODIUM C14-15 PARETH-PG SULFONATE is considered questionable for precision skincare due to its medium irritancy, potential comedogenicity, and strict concentration limits for safety, particularly in leave-on or sensitive skin applications.

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