C12-13 Pareth-23
AKA “C12-13 Pareth-23, Pareth-23, Polyoxyethylene alkyl ether
Surfactant
Ingredient Facts
C12-13 pareth-23
AKA: Polyoxyethylene alkyl ether
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Not Clean
Alcohols, C12-13, ethoxylated (23 mol EO average molar ratio)
CAS #
66455-14-9
Form
Liquid
See origin →
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.
Emulsifying
Forces oil and water to stay mixed instead of separating into layers. The unsung hero holding your lotion together.
Removes Impurities
Cleansing Surfactant
Emulsifier
Mixes Oil & Water
Traditional Use
Synthetic nonionic surfactant and emulsifier developed in the 20th century for use in cosmetics and personal care products requiring strong solubilization properties.
Skin Types
all-skin-types
Best For
General
Pregnancy & Breastfeeding Safe
Yes
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
Verified Jun 2026
Data: CosIng · EWG · CIR