Ammonium C12-15 Pareth Sulfate

AKA: Ammonium Lauryl Ether Sulfate Analog, Surfactant

Synthetic

Cleanser

Clean

Poly(oxy-1,2-ethanediyl), .alpha.-sulfo-.omega.-hydroxy-, C12-15-alkyl ethers (1-4 mol EO average molar ratio)

CAS #

125301-89-5

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.

Removes Impurities

Reduces Inflammation

Locks In Moisture

Traditional Use

A synthetic surfactant developed in the 20th century for use in cleansing products and shampoos. Created to provide detergent properties in modern cosmetic formulations with no traditional or historical use.

EWG

CIR

Safe as used

Pregnancy

Yes

CIR Safety Findings

Not a Sensitizer

ewg-2

medical-approval

pregnancy-nursing-safe

all-shades-safe

Regulatory Status

USA✔ permitted

EU⚠ restricted

JAPAN⚠ restricted

CANADA⚠ restricted

Regulatory Agencies

EWG CIR FDA EU COSING Health Canada

Skin Types

●all-skin-types, gentle

Best For

General

Pregnancy & Breastfeeding Safe

Yes

The paper trail

🔬Peer-reviewednone on file

⚖️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