C11-13 Pareth-10
AKA “C11-13 Pareth-10, Pareth-10
Surfactant
Ingredient Facts
C11-13 pareth-10
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Emulsifier
Not Clean
C11-13 Pareth-10 is a polyethylene glycol ether of a mixture of C11-13 fatty alcohols containing an average of 10 moles of ethylene oxide.
CAS #
-
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 developed in the late 20th century for gentle cleansing and emulsification. Part of the pareth family created to improve biocompatibility compared to earlier synthetic detergents.
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