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AMMONIUM LAURETH-12 SULFATE.

Valuable CAS 32612-48-9 / CLEANSING, FOAMING, SURFACTANT - CLEANSING

A mild anionic surfactant engineered through ethoxylation to deliver effective cleansing with reduced skin irritation potential compared to traditional sulfates. This water-soluble cleanser excels at removing oil, dirt, and sebum while generating rich foam in rinse-off formulations.

surfactant cleansing agent foaming agent

Science

Functions as an amphiphilic surfactant that reduces water's surface tension, allowing its hydrophilic head and lipophilic tail to encapsulate oil, dirt, and sebum within micelles for easy removal. The ethoxylation process creates a larger hydrophilic group that minimizes skin barrier penetration while maintaining cleansing efficacy.


Research

High confidence
Effective range 1–31%
Optimal

15%

Key findings

  1. 01 Demonstrated exceptional safety profile with only 6 adverse events per 6.8 million units sold at 31% concentration in rinse-off applications
  2. 02 Leave-on formulations require concentration limits of 1% maximum to prevent skin irritation

Transparency

Not commonly dusted

Not applicable for cleansing surfactants which are formulated at effective concentrations rather than trace amounts


The Formula

Solubility
Water
Optimal pH 5 – 9
0 7 14

Stability

Temperature-sensitive ingredient that undergoes hydrolysis above 40°C or below pH 5.0, requiring careful storage and formulation conditions

Synergies

  • Other anionic surfactants
  • Non-ionic surfactants
  • Amphoteric surfactants

Conflicts

  • Cationic surfactants
  • Strongly acidic systems
  • Highly alkaline systems

Safety

CIR Status
Safe as used
Max tested
1%
Pregnancy
Safe
Sensitization risk Low

FDA recommends monitoring 1,4-dioxane contamination levels below 1 ppm. Concentration restrictions apply to leave-on versus rinse-off applications.


Your Skin

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

Our Assessment

Valuable

A well-researched, mild surfactant ideal for oily and normal skin types in rinse-off cleansing formulations.


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