Get a Free 5ml Mini Now Free 5ml Mini With Every Order of The Mantle

C11-15 PARETH-30.

Valuable CAS 173244-48-9 / CLEANSING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

A highly effective non-ionic surfactant that excels at creating stable oil-in-water emulsions and solubilizing difficult-to-incorporate ingredients. With its high HLB value of 17.4, this ethoxylated alcohol enables smooth formulations while maintaining excellent stability across a wide pH range.

cleansing emulsifying surfactant solubilizing

Science

Reduces interfacial tension between oil and water phases through its amphiphilic structure, with 30 moles of ethoxylation providing superior solubilizing power for lipophilic compounds like fragrances and essential oils in aqueous systems


Research

High confidence
Effective range 3–10.2%
Optimal

10.2%

Key findings

  1. 01 CIR Safety Assessment demonstrating non-irritating properties at 3-10.2% concentrations
  2. 02 40-participant patch testing of undiluted material showing no significant irritation
  3. 03 Clinical trials confirming non-phototoxic and non-photoallergenic properties at 10.2%

Transparency

Not commonly dusted

Functional ingredient used at effective concentrations for emulsification and solubilization purposes


The Formula

Solubility
Water
Optimal pH 3 – 11
0 7 14

Stability

Exceptionally stable across broad pH range with resistance to high electrolyte concentrations; superior hydrolytic stability compared to PEG-esters due to absence of ester bonds

Conflicts

  • High concentrations may reduce efficacy of phenolic preservatives like parabens through encapsulation

Safety

CIR Status
Safe as used
Max tested
10.2%
Pregnancy
Safe
Sensitization risk Low

Large molecular weight exceeding 1000 Daltons prevents significant dermal penetration; monitored for trace 1,4-dioxane and ethylene oxide as standard for ethoxylated ingredients


Your Skin

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

Our Assessment

Valuable

A reliable, well-tolerated emulsifier with excellent safety data and broad formulation compatibility.


Related

Finding similar ingredients…