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C20-40 Pareth-95
AKA “Polyethylene Glycol Ether, PEG Surfactant”
Surfactant
Ingredient Facts
C20-40 pareth-95
AKA: Polyethylene Glycol Ether, PEG Surfactant
Surfactant · Cleansing · EWG: 4
Synthetic
Cleanser
Not Clean
Alcohols, C20-40, ethoxylated (95 mol EO average molar ratio)
CAS #
9002-92-0; 68439-50-9; 5274-68-0; 9004-95-9; 9005-00-9; 4536-30-5; 3055-93-4; 3055-94-5; 3055-95-6
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.
Removes Impurities
Cleansing Surfactant
Traditional Use
A synthetic polyethylene glycol-based ingredient developed in the late 20th century. Used as a gentle emulsifier and humectant in skincare products.
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
USA✔ permitted
EU⚠ restricted
JAPAN⚠ restricted
CANADA⚠ restricted
Verified Jun 2026
Data: CosIng · EWG · CIR