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POTASSIUM DODECYLBENZENESULFONATE.

Optional CAS 27177-77-1 / SURFACTANT - CLEANSING

POTASSIUM DODECYLBENZENESULFONATE is a highly effective surfactant and cleansing agent that facilitates the emulsification of oils and dirt for easy rinsing. While deemed safe for cosmetic use with specific formulation restrictions by the Cosmetic Ingredient Review (CIR), its potential for irritation necessitates careful attention to concentration and pH to ensure skin compatibility.

Summary

Surfactant Cleansing Emulsifier

Science

Mechanism of Action

This compound functions primarily as a surfactant and cleansing agent by reducing the surface tension of water. This action allows water to effectively mix with and encapsulate oils and dirt, enabling their removal from the skin. It also contributes to foam generation and acts as an emulsifier within formulations.

Research

Clinical Evidence

Low confidence
Effective range N/A
Optimal

N/A

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

POTASSIUM DODECYLBENZENESULFONATE is stable and resistant to decomposition during storage and typical usage conditions. However, its irritancy potential is significantly influenced by the formulation's pH.

Safety

Safety Profile

CIR Status
Safe with restrictions
Sensitization risk Low

The Cosmetic Ingredient Review (CIR) Expert Panel has concluded that dodecylbenzenesulfonate salts, including POTASSIUM DODECYLBENZENESULFONATE, are safe for cosmetic application when formulated to be non-irritating. These salts demonstrated non-toxicity in single-dose oral and dermal animal tests, with no systemic, reproductive, or developmental toxicity observed in repeat-dose dermal animal studies. Sodium Dodecylbenzenesulfonate, a closely related salt, was not found to be genotoxic or a carcinogen. The irritant properties of this ingredient are comparable to other detergents, with severity critically dependent on its concentration and the product's pH. The FDA recognizes Sodium Dodecylbenzenesulfonate as a secondary direct food additive and permits salts of n-alkylbenzenesulfonic acid (including POTASSIUM DODECYLBENZENESULFONATE) as indirect food additives for emulsifying or surface-active purposes.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Optional

While effective as a cleansing surfactant, POTASSIUM DODECYLBENZENESULFONATE necessitates precise formulation at low concentrations and controlled pH to mitigate its notable potential for skin irritation, making it an optional choice primarily for targeted rinse-off products.

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