DEA-C12-13 Pareth-3 Sulfate

AKA: DEA Dodecyl-Tridecyl Pareth Sulfate, Anionic Surfactant

Synthetic

Cleanser

Plant Oil

Not Clean

Bis-(2-hydroxyethyl)ammonium poly(oxy-1,2-ethanediyl)-.alpha.-(C12-13)-alkyl-.omega.-sulfate, (3 mol EO average molar ratio)

CAS #

243133-69-9

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 modern synthetic surfactant developed for cosmetic formulations in the latter 20th century. Created to offer enhanced detergency and foaming properties in shampoos and body cleansers.

EWG

CIR

Safe as used

Pregnancy

Caution

CIR Safety Findings

Not a Sensitizer

medical-approval

all-shades-safe

Regulatory Status

USA✔ permitted

EU✔ permitted

JAPAN✔ permitted

CANADA✔ permitted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types

Best For

General

Pregnancy & Breastfeeding Safe

Caution

The paper trail

🔬Peer-reviewed1 paper →

⚖️Regulatory0 listings

🛡️Safety-assessed1 review →

Counts, not a verdict. A listing isn't a study. The trail, you decide.

Verified Jun 2026

Data: CosIng · EWG · CIR