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C12-13 PARETH-6.

Valuable CAS 66455-14-9 / SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

A mild non-ionic surfactant and emulsifier that reduces water surface tension to enable effective cleansing while maintaining product stability. With an HLB value of approximately 12.0, it excels at creating stable oil-in-water emulsions and gentle cleansing formulations. Widely recognized for its compatibility across all skin types with minimal irritation potential.

surfactant/cleansing emulsifying

Science

Functions as a surfactant by positioning itself at the oil-water interface, reducing surface tension to allow oils and impurities to be lifted from skin and rinsed away. Simultaneously acts as an emulsifier, stabilizing oil-in-water formulations by maintaining the structural integrity between aqueous and lipid phases.


Research

High confidence
Effective range 1–10%
Optimal

5%

Key findings

  1. 01 Analogous compound C12-13AE6.5 at 10% concentration showed only slight irritation in controlled testing
  2. 02 Related ingredient C14-15AE7 at 25% produced negligible to slight irritation under occlusive conditions in human subjects

Transparency

Not commonly dusted

As a functional surfactant and emulsifier rather than an active ingredient, dusting is not typically a concern with this ingredient


The Formula

Solubility
Both
Optimal pH 5 – 7
0 7 14

Stability

Maintains stability at ambient temperatures; avoid exceeding 60°C during formulation to prevent yellowing or degradation

Conflicts

  • Strong oxidizing agents

Safety

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

CIR Expert Panel concluded safety when formulated to minimize irritation potential; alkyl PEG ethers are safe when used in appropriate concentrations and formulations


Your Skin

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

Our Assessment

Valuable

A versatile, well-tolerated ingredient that effectively serves dual cleansing and emulsifying functions across diverse formulations and skin types.


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