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C12-14 SEC-PARETH-5.

Valuable CAS 84133-50-6 / ANTIFOAMING, EMULSION STABILISING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

A nonionic surfactant derived from secondary alcohols that excels at creating stable emulsions while reducing foam formation. This versatile ingredient works behind the scenes to blend oil and water phases seamlessly, making it particularly valuable in lightweight formulations where texture matters.

emulsifying emulsion stabilising surfactant antifoaming

Science

Functions as an interfacial tension reducer between oil and water phases, utilizing its secondary alcohol ethoxylate structure to create stable oil-in-water emulsions. The unique secondary alcohol backbone provides superior wetting properties and natural antifoaming characteristics compared to primary alcohol variants.


Research

High confidence
Effective range 1–10%
Optimal

3%

Key findings

  1. 01 HET-CAM assay at 3.0% concentration showed mild to particularly mild irritation profile with low ocular and dermal irritation potential
  2. 02 CIR Expert Panel comprehensive review confirmed safety in cosmetic applications when properly formulated

Transparency

Not commonly dusted

As a functional emulsifier rather than an active ingredient, dusting is not applicable to this surfactant component.


The Formula

Solubility
Both
Optimal pH 3 – 8
0 7 14

Stability

Demonstrates excellent stability across acidic to alkaline pH ranges common in cosmetics. Maintains performance in hard water conditions and remains stable when formulated with electrolytes.

Conflicts

  • Extremely strong oxidizing agents
  • Strong acids or bases (potential for gradual hydrolysis)
  • High concentrations of cationic surfactants (may compromise foam stability)

Safety

CIR Status
Safe as used
Max tested
10%
Pregnancy
Safe
Sensitization risk Low

Maximum 10% concentration approved for rinse-off products, though typically used below 1% in leave-on formulations. Safety contingent on final product being non-irritating.


Your Skin

Yes Normal
Yes Dry
Yes Oily
Yes Sensitive
Irritancy Low
Comedogenicity Low

Our Assessment

Valuable

A reliable, well-tolerated emulsifier that delivers consistent performance across diverse formulations with minimal irritation potential.


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