C12-13 Pareth-1

AKA: Polyoxyethylene alkyl ether
Synthetic
Emollient
Cleanser
Skin Conditioner
Plant Oil
Not Clean
2-(C12-13-Alkyloxy)ethanol; C12-13 Pareth-1 is the polyethylene glycol ether of a mixture of synthetic C12-13 fatty alcohols containing an average of 1 mole of ethylene oxide
CAS #
-
Form
Liquid
Functions
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Locks In Moisture
Traditional Use
Synthetic nonionic surfactant developed in the mid-20th century for use as a mild cleanser and emulsifier in cosmetics and personal care products.
EWG
4
CIR
Safe as used
Pregnancy
Yes
CIR Safety Findings
Not a Sensitizer
medical-approval
all-shades-safe
Regulatory Status
USApermitted
EUrestricted
JAPANrestricted
CANADArestricted
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