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MEA-C10-13 ALKYL BENZENESULFONATE.

Avoid CAS 85480-55-3 / CLEANSING, SURFACTANT - CLEANSING

MEA-C10-13 Alkyl Benzenesulfonate is a synthetic surfactant valued for its robust cleansing and emulsifying capabilities. While effectively breaking down oils and impurities, clinical data indicates a significant propensity for inducing skin irritation even at low concentrations, challenging its suitability for delicate skin applications.

Summary

Cleansing Surfactant Emulsifying Foaming

Science

Mechanism of Action

This ingredient functions as a potent cleansing agent and surfactant by significantly reducing the surface tension of water. This action facilitates the emulsification of oils and dirt, enabling them to mix with water and be more easily rinsed away. Additionally, it contributes to foam generation and acts as an emulsifier in formulations.

Research

Clinical Evidence

High confidence
Effective range N/A
Optimal

N/A

Key findings

  1. 01 In human trials, repeated application at a 0.05% concentration did not induce skin sensitization but produced irritation in 70 out of 75 subjects.
  2. 02 Rabbit skin studies classified Linear Alkylbenzene Sulfonate (LAS) at 5% as a moderate irritant.
  3. 03 When applied undiluted to intact and abraded rabbit skin, it was severely irritating, causing primary irritation that extended beyond the exposure area, with skin sloughing and scar tissue observed after one week.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Water
Optimal pH N/A
0 7 14

Conflicts

  • Acids (reacts to produce toxic and corrosive fumes, including sulfur oxides)
  • N-nitrosating agents (to prevent the formation of potentially carcinogenic nitrosamines)

Safety

Safety Profile

CIR Status
Insufficient data
Sensitization risk Low

MEA-C10-13 Alkyl Benzenesulfonate is generally considered acceptable for cosmetic use, but it is subject to restrictions under Annex III of the EC Cosmetics Regulation following SCCS assessment. These restrictions may encompass purity criteria, maximum concentration limits, or specific product category limitations. It is imperative that monoethanolamine salts, including this ingredient, are not combined with N-nitrosating agents in cosmetic products to preclude the formation of carcinogenic nitrosamines.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Avoid

While an effective cleansing agent, MEA-C10-13 Alkyl Benzenesulfonate presents a high risk of skin irritation, with human clinical studies showing irritation in 70 out of 75 subjects at a mere 0.05% concentration, rendering it unsuitable for precision skincare formulations.

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