Trideceth-12
Avoid
Ethoxylated Surfactant; Emulsifier; Solubilizer
Also Known As
PEG-12 Tridecyl Ether; Polyoxyethylene Tridecyl Ether
CAS Number
24938-91-8
What It Does
Disperses silicone, oils, and conditioning ingredients in water-based formulas.
Why Oh Daisey Rates It This Way
May cause irritation. Ethoxylation can introduce trace ethylene oxide or 1,4-dioxane contaminants if manufacturing and purification controls are inadequate.
Evidence Level
Moderate
Sources
- https://www.cir-safety.org/ ; https://www.fda.gov/cosmetics/potential-contaminants-cosmetics/14-dioxane-cosmetics-manufacturing-byproduct