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TEA-C11-15 ALKYL SULFATE.

Valuable / CLEANSING, SURFACTANT - CLEANSING

TEA-C11-15 ALKYL SULFATE is a versatile cleansing agent and surfactant, crucial for formulating products that effectively remove dirt and oil. It also functions as an emulsifier, ensuring product stability and homogeneous ingredient distribution within cosmetic formulations.

Summary

Cleansing Agent Emulsifying Surfactant

Science

Mechanism of Action

Operating as an anionic surfactant, TEA-C11-15 ALKYL SULFATE effectively lowers the surface tension between oil and water components, enabling them to mix and facilitating the removal of impurities from skin surfaces. Its emulsifying properties further stabilize formulations by preventing ingredient separation and maintaining product integrity.

Research

Clinical Evidence

Medium confidence
Effective range 0.1–29%
Optimal

5%

Key findings

  1. 01 The CIR Expert Panel has evaluated related alkyl sulfates, finding them effective as surfactants across a concentration range of 0.1% to 29%, primarily in soaps and shampoos.
  2. 02 For products designed for prolonged skin contact, the total concentration of ethanolamines, including TEA-C11-15 ALKYL SULFATE, is advised not to exceed 5% to ensure safety.

Transparency

Dusting Analysis

Not commonly dusted

The Formula

Formulation

Solubility
Both
Optimal pH N/A
0 7 14

Stability

The irritant properties of similar detergent compounds are known to be dependent on both concentration and pH. Formulations incorporating TEA-C11-15 ALKYL SULFATE must be carefully managed to minimize any potential for irritation.

Conflicts

  • N-nitrosating agents (due to potential formation of N-nitroso compounds)

Safety

Safety Profile

CIR Status
Safe as used
Max tested
5%
Sensitization risk Moderate

The CIR Expert Panel has concluded that TEA-C11-15 ALKYL SULFATE is safe for cosmetic use, provided formulations are non-irritating and free diethanolamine levels comply with established limits. This ingredient must not be incorporated into products where N-nitroso compounds can potentially form. For products intended for prolonged skin contact, the total concentration of ethanolamines should not exceed 5%.

Your Skin

Skin Compatibility

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

Our Assessment

Verdict

Valuable

TEA-C11-15 ALKYL SULFATE is a valuable surfactant and cleansing agent, deemed safe for cosmetic use by the CIR Expert Panel when precisely formulated to be non-irritating and within specific concentration limits for prolonged skin contact.

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