TEA-C11-15 Pareth Sulfate
molecular structure · PubChem
AKA: TEA Pareth Sulfate, Triethanolamine Pareth Sulfate
Plant-Derived
Cleanser
Emulsifier
Plant Oil
Not Clean
TEA-C11-15 Pareth Sulfate is the Triethanalomine Salt of the sulfate ester of a mixture of ethoxylated, synthetic C11-15 fatty alcohols containing 1 mole of ethylene oxide
Form
Powder
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Cleansing Surfactant
Emulsifier
Removes Impurities
Mixes Oil & Water
Traditional Use
Developed in the mid-20th century as a synthetic anionic surfactant. Created to provide gentle cleansing properties in modern formulations, derived from petroleum-based alkyl chains combined with plant-derived ethoxylation.
EWG
4
CIR
Safe as used
Pregnancy
Yes
Restricted By
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Agencies
Skin Types
●all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
The paper trail
🔬Peer-reviewed1 paper →
⚖️Regulatory1 listing →
🛡️Safety-assessed1 review →
Counts, not a verdict. A listing isn't a study. The trail, you decide.
Verified Jun 2026
Data: CosIng · EWG · CIR