C10-16 Pareth-1
AKA “Non-ionic surfactant, Fatty alcohol ethoxylate
Surfactant
Ingredient Facts
C10-16 pareth-1
AKA: Non-ionic surfactant, Fatty alcohol ethoxylate
Surfactant · Emollient · EWG: 4
Synthetic
Emollient
Cleanser
Skin Conditioner
Not Clean
C10-16-alkoxyethanol; C10-16 Pareth-1 is the polyethylene glycol ether of a mixture of C10-16 synthetic fatty alcohols containing an average of 1 mole 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.
Emollient
Fills in the tiny cracks between skin cells to make everything feel smooth and soft. The "silky finish" ingredient.
Cleansing
Makes oil and water mix so dirt, makeup, and sunscreen can actually be washed away. The reason your face wash foams.
Locks In Moisture
Traditional Use
Synthetic surfactant and emulsifier developed in the 20th century. Created to provide stable emulsification and cleansing properties in modern cosmetic formulations.
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