TEA-C11-15 Alkyl Sulfate
molecular structure · PubChem
AKA: TEA Alkyl Sulfate, Triethanolamine Alkyl Sulfate
Plant-Derived
Cleanser
Plant Oil
Not Clean
TEA-C11-15 Alkyl Sulfate is the triethanolamine salt of the sulfate ester of a mixture of synthetic C11-15 fatty alcohols
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.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Removes Impurities
Cleansing Surfactant
Traditional Use
A synthetic anionic surfactant made by sulphating C11-15 chain alkyl alcohols and neutralizing with triethanolamine, developed in the mid-20th century as a cleansing agent in shampoos and body washes.
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